./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/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_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b869eaba59e8dca8d7cb2d1135193e506b8377811cada7a7f67b6d0824dd2d3d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:55:14,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:55:14,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:55:14,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:55:14,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:55:14,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:55:14,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:55:14,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:55:14,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:55:14,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:55:14,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:55:14,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:55:14,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:55:14,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:55:14,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:55:14,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:55:14,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:55:14,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:55:14,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:55:14,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:55:14,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:55:14,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:55:14,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:55:14,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:55:14,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:55:14,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:55:14,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:55:14,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:55:14,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:55:14,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:55:14,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:55:14,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:55:14,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:55:14,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:55:14,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:55:14,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:55:14,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:55:14,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:55:14,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:55:14,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:55:14,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:55:14,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 18:55:14,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:55:14,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:55:14,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:55:14,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:55:14,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:55:14,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:55:14,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:55:14,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:55:14,757 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:55:14,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:55:14,757 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:55:14,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:55:14,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:55:14,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:55:14,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:55:14,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:55:14,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:55:14,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:55:14,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:55:14,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:55:14,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:55:14,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:55:14,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:55:14,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:55:14,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:55:14,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:55:14,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:55:14,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:55:14,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:55:14,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:55:14,761 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:55:14,761 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:55:14,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:55:14,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:55:14,761 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_4b6d55b5-f6bb-416d-85a4-82cfe511564a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b869eaba59e8dca8d7cb2d1135193e506b8377811cada7a7f67b6d0824dd2d3d [2021-12-06 18:55:14,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:55:14,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:55:14,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:55:14,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:55:14,968 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:55:14,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2021-12-06 18:55:15,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/data/b2a06fb4d/dc7f24c12c6d4553b3554323e9db9a8d/FLAG3da3ce6e3 [2021-12-06 18:55:15,376 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:55:15,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2021-12-06 18:55:15,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/data/b2a06fb4d/dc7f24c12c6d4553b3554323e9db9a8d/FLAG3da3ce6e3 [2021-12-06 18:55:15,395 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/data/b2a06fb4d/dc7f24c12c6d4553b3554323e9db9a8d [2021-12-06 18:55:15,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:55:15,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:55:15,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:55:15,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:55:15,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:55:15,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381800a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15, skipping insertion in model container [2021-12-06 18:55:15,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:55:15,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:55:15,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c[4929,4942] [2021-12-06 18:55:15,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:55:15,595 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:55:15,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c[4929,4942] [2021-12-06 18:55:15,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:55:15,643 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:55:15,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15 WrapperNode [2021-12-06 18:55:15,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:55:15,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:55:15,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:55:15,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:55:15,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,699 INFO L137 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 21, calls inlined = 29, statements flattened = 452 [2021-12-06 18:55:15,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:55:15,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:55:15,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:55:15,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:55:15,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:55:15,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:55:15,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:55:15,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:55:15,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (1/1) ... [2021-12-06 18:55:15,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:55:15,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:55:15,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:55:15,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:55:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:55:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:55:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:55:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:55:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-06 18:55:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-06 18:55:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-06 18:55:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-06 18:55:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:55:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:55:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:55:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:55:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:55:15,808 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 18:55:15,898 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:55:15,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:55:16,301 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:55:16,314 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:55:16,314 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 18:55:16,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:55:16 BoogieIcfgContainer [2021-12-06 18:55:16,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:55:16,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:55:16,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:55:16,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:55:16,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:55:15" (1/3) ... [2021-12-06 18:55:16,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a24c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:55:16, skipping insertion in model container [2021-12-06 18:55:16,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:55:15" (2/3) ... [2021-12-06 18:55:16,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a24c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:55:16, skipping insertion in model container [2021-12-06 18:55:16,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:55:16" (3/3) ... [2021-12-06 18:55:16,325 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-symm.wvr.c [2021-12-06 18:55:16,330 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 18:55:16,330 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:55:16,331 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:55:16,331 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 18:55:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,374 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,375 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,376 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,377 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,378 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,379 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,379 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,379 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,379 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,379 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,379 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,379 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,379 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,382 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,382 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,382 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,382 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,382 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,382 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,382 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,382 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,382 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,383 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,383 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,383 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,383 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,383 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,383 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,383 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,383 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,384 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,384 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,384 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,384 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,384 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,384 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,384 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,384 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,384 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,385 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,385 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,385 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,385 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,385 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,385 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,385 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,385 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,385 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,403 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,404 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,407 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,409 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,410 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,411 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,412 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,415 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,415 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,415 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,415 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,415 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,415 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,419 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,420 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,420 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,420 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,420 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,425 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,426 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,427 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,433 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,434 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,435 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,436 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,437 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,437 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,437 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,437 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,437 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,437 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,437 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,437 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,437 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,438 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,439 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,440 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,441 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,445 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,446 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,447 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,448 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,449 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,450 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,457 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:55:16,467 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-06 18:55:16,502 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:55:16,507 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 18:55:16,507 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-06 18:55:16,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 538 places, 596 transitions, 1208 flow [2021-12-06 18:55:16,694 INFO L129 PetriNetUnfolder]: 65/594 cut-off events. [2021-12-06 18:55:16,694 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 18:55:16,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 594 events. 65/594 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1760 event pairs, 0 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 413. Up to 2 conditions per place. [2021-12-06 18:55:16,711 INFO L82 GeneralOperation]: Start removeDead. Operand has 538 places, 596 transitions, 1208 flow [2021-12-06 18:55:16,725 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 527 places, 585 transitions, 1182 flow [2021-12-06 18:55:16,811 INFO L129 PetriNetUnfolder]: 57/538 cut-off events. [2021-12-06 18:55:16,811 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 18:55:16,811 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:16,812 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:16,812 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:16,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:16,817 INFO L85 PathProgramCache]: Analyzing trace with hash 957133029, now seen corresponding path program 1 times [2021-12-06 18:55:16,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:16,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559553961] [2021-12-06 18:55:16,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:16,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:17,064 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 18:55:17,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:17,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559553961] [2021-12-06 18:55:17,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559553961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:17,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:17,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:55:17,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116365628] [2021-12-06 18:55:17,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:17,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 18:55:17,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:17,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 18:55:17,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:55:17,102 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 596 [2021-12-06 18:55:17,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 585 transitions, 1182 flow. Second operand has 2 states, 2 states have (on average 568.5) internal successors, (1137), 2 states have internal predecessors, (1137), 0 states have call successors, (0), 0 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 18:55:17,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:17,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 596 [2021-12-06 18:55:17,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:17,292 INFO L129 PetriNetUnfolder]: 40/560 cut-off events. [2021-12-06 18:55:17,292 INFO L130 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES. [2021-12-06 18:55:17,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 560 events. 40/560 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1694 event pairs, 0 based on Foata normal form. 30/529 useless extension candidates. Maximal degree in co-relation 396. Up to 5 conditions per place. [2021-12-06 18:55:17,307 INFO L132 encePairwiseOnDemand]: 571/596 looper letters, 4 selfloop transitions, 0 changer transitions 5/560 dead transitions. [2021-12-06 18:55:17,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 560 transitions, 1140 flow [2021-12-06 18:55:17,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 18:55:17,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-06 18:55:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1161 transitions. [2021-12-06 18:55:17,325 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9739932885906041 [2021-12-06 18:55:17,326 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1161 transitions. [2021-12-06 18:55:17,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1161 transitions. [2021-12-06 18:55:17,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:17,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1161 transitions. [2021-12-06 18:55:17,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 580.5) internal successors, (1161), 2 states have internal predecessors, (1161), 0 states have call successors, (0), 0 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 18:55:17,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 596.0) internal successors, (1788), 3 states have internal predecessors, (1788), 0 states have call successors, (0), 0 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 18:55:17,351 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 596.0) internal successors, (1788), 3 states have internal predecessors, (1788), 0 states have call successors, (0), 0 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 18:55:17,353 INFO L186 Difference]: Start difference. First operand has 527 places, 585 transitions, 1182 flow. Second operand 2 states and 1161 transitions. [2021-12-06 18:55:17,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 560 transitions, 1140 flow [2021-12-06 18:55:17,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 560 transitions, 1132 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 18:55:17,376 INFO L242 Difference]: Finished difference. Result has 524 places, 555 transitions, 1114 flow [2021-12-06 18:55:17,379 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1124, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1114, PETRI_PLACES=524, PETRI_TRANSITIONS=555} [2021-12-06 18:55:17,382 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, -3 predicate places. [2021-12-06 18:55:17,383 INFO L470 AbstractCegarLoop]: Abstraction has has 524 places, 555 transitions, 1114 flow [2021-12-06 18:55:17,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 568.5) internal successors, (1137), 2 states have internal predecessors, (1137), 0 states have call successors, (0), 0 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 18:55:17,384 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:17,384 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:17,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:55:17,385 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:17,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:17,385 INFO L85 PathProgramCache]: Analyzing trace with hash 473457702, now seen corresponding path program 1 times [2021-12-06 18:55:17,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:17,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534770385] [2021-12-06 18:55:17,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:17,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:17,533 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 18:55:17,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:17,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534770385] [2021-12-06 18:55:17,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534770385] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:17,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:17,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:55:17,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821110308] [2021-12-06 18:55:17,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:17,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:55:17,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:17,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:55:17,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:55:17,538 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 596 [2021-12-06 18:55:17,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 555 transitions, 1114 flow. Second operand has 3 states, 3 states have (on average 555.3333333333334) internal successors, (1666), 3 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 18:55:17,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:17,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 596 [2021-12-06 18:55:17,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:17,906 INFO L129 PetriNetUnfolder]: 177/1911 cut-off events. [2021-12-06 18:55:17,907 INFO L130 PetriNetUnfolder]: For 19/21 co-relation queries the response was YES. [2021-12-06 18:55:17,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2050 conditions, 1911 events. 177/1911 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 14008 event pairs, 36 based on Foata normal form. 1/1696 useless extension candidates. Maximal degree in co-relation 2047. Up to 87 conditions per place. [2021-12-06 18:55:17,922 INFO L132 encePairwiseOnDemand]: 590/596 looper letters, 27 selfloop transitions, 4 changer transitions 0/568 dead transitions. [2021-12-06 18:55:17,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 568 transitions, 1205 flow [2021-12-06 18:55:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:55:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 18:55:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1689 transitions. [2021-12-06 18:55:17,926 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9446308724832215 [2021-12-06 18:55:17,927 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1689 transitions. [2021-12-06 18:55:17,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1689 transitions. [2021-12-06 18:55:17,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:17,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1689 transitions. [2021-12-06 18:55:17,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 563.0) internal successors, (1689), 3 states have internal predecessors, (1689), 0 states have call successors, (0), 0 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 18:55:17,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:17,938 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:17,938 INFO L186 Difference]: Start difference. First operand has 524 places, 555 transitions, 1114 flow. Second operand 3 states and 1689 transitions. [2021-12-06 18:55:17,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 568 transitions, 1205 flow [2021-12-06 18:55:17,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 568 transitions, 1205 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 18:55:17,948 INFO L242 Difference]: Finished difference. Result has 523 places, 557 transitions, 1142 flow [2021-12-06 18:55:17,949 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1114, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=555, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1142, PETRI_PLACES=523, PETRI_TRANSITIONS=557} [2021-12-06 18:55:17,949 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, -4 predicate places. [2021-12-06 18:55:17,950 INFO L470 AbstractCegarLoop]: Abstraction has has 523 places, 557 transitions, 1142 flow [2021-12-06 18:55:17,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 555.3333333333334) internal successors, (1666), 3 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 18:55:17,951 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:17,951 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:17,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:55:17,951 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:17,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:17,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1593023258, now seen corresponding path program 2 times [2021-12-06 18:55:17,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:17,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462999843] [2021-12-06 18:55:17,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:17,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:18,048 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 18:55:18,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:18,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462999843] [2021-12-06 18:55:18,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462999843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:18,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:18,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:55:18,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329010853] [2021-12-06 18:55:18,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:18,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:55:18,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:18,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:55:18,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:55:18,054 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 596 [2021-12-06 18:55:18,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 557 transitions, 1142 flow. Second operand has 3 states, 3 states have (on average 555.3333333333334) internal successors, (1666), 3 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 18:55:18,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:18,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 596 [2021-12-06 18:55:18,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:18,438 INFO L129 PetriNetUnfolder]: 168/1861 cut-off events. [2021-12-06 18:55:18,438 INFO L130 PetriNetUnfolder]: For 77/82 co-relation queries the response was YES. [2021-12-06 18:55:18,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2058 conditions, 1861 events. 168/1861 cut-off events. For 77/82 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 13758 event pairs, 39 based on Foata normal form. 4/1689 useless extension candidates. Maximal degree in co-relation 2053. Up to 100 conditions per place. [2021-12-06 18:55:18,460 INFO L132 encePairwiseOnDemand]: 590/596 looper letters, 29 selfloop transitions, 4 changer transitions 0/570 dead transitions. [2021-12-06 18:55:18,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 570 transitions, 1241 flow [2021-12-06 18:55:18,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:55:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 18:55:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1689 transitions. [2021-12-06 18:55:18,476 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9446308724832215 [2021-12-06 18:55:18,476 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1689 transitions. [2021-12-06 18:55:18,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1689 transitions. [2021-12-06 18:55:18,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:18,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1689 transitions. [2021-12-06 18:55:18,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 563.0) internal successors, (1689), 3 states have internal predecessors, (1689), 0 states have call successors, (0), 0 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 18:55:18,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:18,492 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:18,492 INFO L186 Difference]: Start difference. First operand has 523 places, 557 transitions, 1142 flow. Second operand 3 states and 1689 transitions. [2021-12-06 18:55:18,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 570 transitions, 1241 flow [2021-12-06 18:55:18,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 570 transitions, 1233 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 18:55:18,507 INFO L242 Difference]: Finished difference. Result has 525 places, 559 transitions, 1166 flow [2021-12-06 18:55:18,508 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1166, PETRI_PLACES=525, PETRI_TRANSITIONS=559} [2021-12-06 18:55:18,509 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, -2 predicate places. [2021-12-06 18:55:18,509 INFO L470 AbstractCegarLoop]: Abstraction has has 525 places, 559 transitions, 1166 flow [2021-12-06 18:55:18,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 555.3333333333334) internal successors, (1666), 3 states have internal predecessors, (1666), 0 states have call successors, (0), 0 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 18:55:18,510 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:18,511 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:18,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:55:18,511 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:18,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:18,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1976754200, now seen corresponding path program 1 times [2021-12-06 18:55:18,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:18,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083907209] [2021-12-06 18:55:18,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:18,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:18,593 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 18:55:18,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:18,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083907209] [2021-12-06 18:55:18,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083907209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:18,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:18,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:18,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42562336] [2021-12-06 18:55:18,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:18,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:18,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:18,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:18,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:18,600 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 596 [2021-12-06 18:55:18,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 559 transitions, 1166 flow. Second operand has 5 states, 5 states have (on average 547.6) internal successors, (2738), 5 states have internal predecessors, (2738), 0 states have call successors, (0), 0 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 18:55:18,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:18,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 596 [2021-12-06 18:55:18,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:18,786 INFO L129 PetriNetUnfolder]: 50/678 cut-off events. [2021-12-06 18:55:18,787 INFO L130 PetriNetUnfolder]: For 23/39 co-relation queries the response was YES. [2021-12-06 18:55:18,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 678 events. 50/678 cut-off events. For 23/39 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2596 event pairs, 0 based on Foata normal form. 0/615 useless extension candidates. Maximal degree in co-relation 744. Up to 31 conditions per place. [2021-12-06 18:55:18,797 INFO L132 encePairwiseOnDemand]: 586/596 looper letters, 26 selfloop transitions, 8 changer transitions 0/567 dead transitions. [2021-12-06 18:55:18,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 567 transitions, 1250 flow [2021-12-06 18:55:18,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:55:18,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-06 18:55:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2756 transitions. [2021-12-06 18:55:18,807 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9248322147651007 [2021-12-06 18:55:18,807 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2756 transitions. [2021-12-06 18:55:18,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2756 transitions. [2021-12-06 18:55:18,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:18,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2756 transitions. [2021-12-06 18:55:18,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 551.2) internal successors, (2756), 5 states have internal predecessors, (2756), 0 states have call successors, (0), 0 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 18:55:18,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 596.0) internal successors, (3576), 6 states have internal predecessors, (3576), 0 states have call successors, (0), 0 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 18:55:18,831 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 596.0) internal successors, (3576), 6 states have internal predecessors, (3576), 0 states have call successors, (0), 0 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 18:55:18,831 INFO L186 Difference]: Start difference. First operand has 525 places, 559 transitions, 1166 flow. Second operand 5 states and 2756 transitions. [2021-12-06 18:55:18,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 567 transitions, 1250 flow [2021-12-06 18:55:18,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 567 transitions, 1242 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 18:55:18,845 INFO L242 Difference]: Finished difference. Result has 528 places, 561 transitions, 1190 flow [2021-12-06 18:55:18,846 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1158, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1190, PETRI_PLACES=528, PETRI_TRANSITIONS=561} [2021-12-06 18:55:18,847 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1 predicate places. [2021-12-06 18:55:18,847 INFO L470 AbstractCegarLoop]: Abstraction has has 528 places, 561 transitions, 1190 flow [2021-12-06 18:55:18,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 547.6) internal successors, (2738), 5 states have internal predecessors, (2738), 0 states have call successors, (0), 0 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 18:55:18,849 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:18,849 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:18,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:55:18,849 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:18,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:18,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1612412822, now seen corresponding path program 1 times [2021-12-06 18:55:18,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:18,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378703581] [2021-12-06 18:55:18,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:18,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 18:55:18,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:18,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378703581] [2021-12-06 18:55:18,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378703581] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:55:18,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438098289] [2021-12-06 18:55:18,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:18,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:55:18,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:55:18,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:55:18,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 18:55:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:19,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:55:19,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:55:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 18:55:19,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:55:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 18:55:19,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438098289] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:55:19,533 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 18:55:19,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2021-12-06 18:55:19,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435522369] [2021-12-06 18:55:19,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 18:55:19,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 18:55:19,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:19,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 18:55:19,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-06 18:55:19,545 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 596 [2021-12-06 18:55:19,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 561 transitions, 1190 flow. Second operand has 15 states, 15 states have (on average 545.1333333333333) internal successors, (8177), 15 states have internal predecessors, (8177), 0 states have call successors, (0), 0 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 18:55:19,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:19,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 596 [2021-12-06 18:55:19,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:19,802 INFO L129 PetriNetUnfolder]: 50/694 cut-off events. [2021-12-06 18:55:19,802 INFO L130 PetriNetUnfolder]: For 23/39 co-relation queries the response was YES. [2021-12-06 18:55:19,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 694 events. 50/694 cut-off events. For 23/39 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2562 event pairs, 0 based on Foata normal form. 4/637 useless extension candidates. Maximal degree in co-relation 788. Up to 25 conditions per place. [2021-12-06 18:55:19,819 INFO L132 encePairwiseOnDemand]: 580/596 looper letters, 28 selfloop transitions, 22 changer transitions 0/581 dead transitions. [2021-12-06 18:55:19,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 581 transitions, 1334 flow [2021-12-06 18:55:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 18:55:19,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-06 18:55:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6016 transitions. [2021-12-06 18:55:19,833 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9176327028676022 [2021-12-06 18:55:19,833 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 6016 transitions. [2021-12-06 18:55:19,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 6016 transitions. [2021-12-06 18:55:19,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:19,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 6016 transitions. [2021-12-06 18:55:19,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 546.9090909090909) internal successors, (6016), 11 states have internal predecessors, (6016), 0 states have call successors, (0), 0 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 18:55:19,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 596.0) internal successors, (7152), 12 states have internal predecessors, (7152), 0 states have call successors, (0), 0 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 18:55:19,866 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 596.0) internal successors, (7152), 12 states have internal predecessors, (7152), 0 states have call successors, (0), 0 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 18:55:19,866 INFO L186 Difference]: Start difference. First operand has 528 places, 561 transitions, 1190 flow. Second operand 11 states and 6016 transitions. [2021-12-06 18:55:19,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 581 transitions, 1334 flow [2021-12-06 18:55:19,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 581 transitions, 1322 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-06 18:55:19,875 INFO L242 Difference]: Finished difference. Result has 538 places, 573 transitions, 1289 flow [2021-12-06 18:55:19,876 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1178, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1289, PETRI_PLACES=538, PETRI_TRANSITIONS=573} [2021-12-06 18:55:19,877 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 11 predicate places. [2021-12-06 18:55:19,877 INFO L470 AbstractCegarLoop]: Abstraction has has 538 places, 573 transitions, 1289 flow [2021-12-06 18:55:19,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 545.1333333333333) internal successors, (8177), 15 states have internal predecessors, (8177), 0 states have call successors, (0), 0 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 18:55:19,879 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:19,880 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:19,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:55:20,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:55:20,081 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:20,081 INFO L85 PathProgramCache]: Analyzing trace with hash -226902670, now seen corresponding path program 2 times [2021-12-06 18:55:20,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:20,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836053133] [2021-12-06 18:55:20,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:20,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-06 18:55:20,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:20,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836053133] [2021-12-06 18:55:20,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836053133] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:55:20,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831702831] [2021-12-06 18:55:20,238 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 18:55:20,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:55:20,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:55:20,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:55:20,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 18:55:20,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 18:55:20,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 18:55:20,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:55:20,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:55:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-12-06 18:55:20,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:55:20,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831702831] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:20,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 18:55:20,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2021-12-06 18:55:20,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120866988] [2021-12-06 18:55:20,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:20,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:20,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:20,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:20,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-12-06 18:55:20,522 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 596 [2021-12-06 18:55:20,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 573 transitions, 1289 flow. Second operand has 5 states, 5 states have (on average 547.4) internal successors, (2737), 5 states have internal predecessors, (2737), 0 states have call successors, (0), 0 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 18:55:20,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:20,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 596 [2021-12-06 18:55:20,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:20,824 INFO L129 PetriNetUnfolder]: 149/1715 cut-off events. [2021-12-06 18:55:20,824 INFO L130 PetriNetUnfolder]: For 31/60 co-relation queries the response was YES. [2021-12-06 18:55:20,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1930 conditions, 1715 events. 149/1715 cut-off events. For 31/60 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 10572 event pairs, 17 based on Foata normal form. 10/1550 useless extension candidates. Maximal degree in co-relation 1920. Up to 76 conditions per place. [2021-12-06 18:55:20,839 INFO L132 encePairwiseOnDemand]: 589/596 looper letters, 33 selfloop transitions, 5 changer transitions 0/586 dead transitions. [2021-12-06 18:55:20,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 586 transitions, 1398 flow [2021-12-06 18:55:20,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3855 transitions. [2021-12-06 18:55:20,847 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9240172579098753 [2021-12-06 18:55:20,847 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3855 transitions. [2021-12-06 18:55:20,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3855 transitions. [2021-12-06 18:55:20,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:20,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3855 transitions. [2021-12-06 18:55:20,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 550.7142857142857) internal successors, (3855), 7 states have internal predecessors, (3855), 0 states have call successors, (0), 0 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 18:55:20,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:20,862 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:20,862 INFO L186 Difference]: Start difference. First operand has 538 places, 573 transitions, 1289 flow. Second operand 7 states and 3855 transitions. [2021-12-06 18:55:20,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 586 transitions, 1398 flow [2021-12-06 18:55:20,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 586 transitions, 1381 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-12-06 18:55:20,874 INFO L242 Difference]: Finished difference. Result has 546 places, 577 transitions, 1311 flow [2021-12-06 18:55:20,875 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1272, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1311, PETRI_PLACES=546, PETRI_TRANSITIONS=577} [2021-12-06 18:55:20,875 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 19 predicate places. [2021-12-06 18:55:20,875 INFO L470 AbstractCegarLoop]: Abstraction has has 546 places, 577 transitions, 1311 flow [2021-12-06 18:55:20,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 547.4) internal successors, (2737), 5 states have internal predecessors, (2737), 0 states have call successors, (0), 0 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 18:55:20,876 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:20,877 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:20,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 18:55:21,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-06 18:55:21,077 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:21,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:21,078 INFO L85 PathProgramCache]: Analyzing trace with hash 755089234, now seen corresponding path program 1 times [2021-12-06 18:55:21,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:21,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788256238] [2021-12-06 18:55:21,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:21,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-06 18:55:21,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:21,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788256238] [2021-12-06 18:55:21,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788256238] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:55:21,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901486170] [2021-12-06 18:55:21,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:21,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:55:21,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:55:21,184 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:55:21,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 18:55:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:21,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 18:55:21,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:55:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-06 18:55:21,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:55:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-06 18:55:21,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901486170] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:55:21,732 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 18:55:21,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2021-12-06 18:55:21,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101647494] [2021-12-06 18:55:21,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 18:55:21,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-06 18:55:21,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:21,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-06 18:55:21,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2021-12-06 18:55:21,740 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 596 [2021-12-06 18:55:21,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 577 transitions, 1311 flow. Second operand has 22 states, 22 states have (on average 545.0454545454545) internal successors, (11991), 22 states have internal predecessors, (11991), 0 states have call successors, (0), 0 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 18:55:21,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:21,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 596 [2021-12-06 18:55:21,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:22,069 INFO L129 PetriNetUnfolder]: 51/742 cut-off events. [2021-12-06 18:55:22,069 INFO L130 PetriNetUnfolder]: For 51/67 co-relation queries the response was YES. [2021-12-06 18:55:22,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 948 conditions, 742 events. 51/742 cut-off events. For 51/67 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2749 event pairs, 0 based on Foata normal form. 4/689 useless extension candidates. Maximal degree in co-relation 933. Up to 25 conditions per place. [2021-12-06 18:55:22,077 INFO L132 encePairwiseOnDemand]: 580/596 looper letters, 36 selfloop transitions, 34 changer transitions 0/605 dead transitions. [2021-12-06 18:55:22,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 605 transitions, 1563 flow [2021-12-06 18:55:22,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 18:55:22,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-06 18:55:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 9288 transitions. [2021-12-06 18:55:22,100 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9166995657323332 [2021-12-06 18:55:22,100 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 9288 transitions. [2021-12-06 18:55:22,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 9288 transitions. [2021-12-06 18:55:22,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:22,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 9288 transitions. [2021-12-06 18:55:22,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 546.3529411764706) internal successors, (9288), 17 states have internal predecessors, (9288), 0 states have call successors, (0), 0 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 18:55:22,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 596.0) internal successors, (10728), 18 states have internal predecessors, (10728), 0 states have call successors, (0), 0 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 18:55:22,140 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 596.0) internal successors, (10728), 18 states have internal predecessors, (10728), 0 states have call successors, (0), 0 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 18:55:22,140 INFO L186 Difference]: Start difference. First operand has 546 places, 577 transitions, 1311 flow. Second operand 17 states and 9288 transitions. [2021-12-06 18:55:22,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 605 transitions, 1563 flow [2021-12-06 18:55:22,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 605 transitions, 1562 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 18:55:22,150 INFO L242 Difference]: Finished difference. Result has 564 places, 591 transitions, 1485 flow [2021-12-06 18:55:22,151 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1485, PETRI_PLACES=564, PETRI_TRANSITIONS=591} [2021-12-06 18:55:22,152 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 37 predicate places. [2021-12-06 18:55:22,152 INFO L470 AbstractCegarLoop]: Abstraction has has 564 places, 591 transitions, 1485 flow [2021-12-06 18:55:22,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 545.0454545454545) internal successors, (11991), 22 states have internal predecessors, (11991), 0 states have call successors, (0), 0 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 18:55:22,154 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:22,154 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:22,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 18:55:22,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6d55b5-f6bb-416d-85a4-82cfe511564a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:55:22,356 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:22,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:22,356 INFO L85 PathProgramCache]: Analyzing trace with hash -565416218, now seen corresponding path program 2 times [2021-12-06 18:55:22,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:22,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634864320] [2021-12-06 18:55:22,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:22,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:22,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:22,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634864320] [2021-12-06 18:55:22,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634864320] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:22,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:22,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:22,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977038784] [2021-12-06 18:55:22,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:22,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:22,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:22,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:22,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:22,465 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 596 [2021-12-06 18:55:22,468 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 591 transitions, 1485 flow. Second operand has 5 states, 5 states have (on average 547.4) internal successors, (2737), 5 states have internal predecessors, (2737), 0 states have call successors, (0), 0 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 18:55:22,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:22,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 596 [2021-12-06 18:55:22,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:22,734 INFO L129 PetriNetUnfolder]: 151/1280 cut-off events. [2021-12-06 18:55:22,734 INFO L130 PetriNetUnfolder]: For 112/122 co-relation queries the response was YES. [2021-12-06 18:55:22,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1636 conditions, 1280 events. 151/1280 cut-off events. For 112/122 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 6500 event pairs, 37 based on Foata normal form. 0/1141 useless extension candidates. Maximal degree in co-relation 1618. Up to 140 conditions per place. [2021-12-06 18:55:22,745 INFO L132 encePairwiseOnDemand]: 589/596 looper letters, 32 selfloop transitions, 5 changer transitions 0/603 dead transitions. [2021-12-06 18:55:22,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 603 transitions, 1589 flow [2021-12-06 18:55:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3854 transitions. [2021-12-06 18:55:22,752 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.923777564717162 [2021-12-06 18:55:22,752 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3854 transitions. [2021-12-06 18:55:22,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3854 transitions. [2021-12-06 18:55:22,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:22,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3854 transitions. [2021-12-06 18:55:22,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 550.5714285714286) internal successors, (3854), 7 states have internal predecessors, (3854), 0 states have call successors, (0), 0 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 18:55:22,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:22,766 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:22,766 INFO L186 Difference]: Start difference. First operand has 564 places, 591 transitions, 1485 flow. Second operand 7 states and 3854 transitions. [2021-12-06 18:55:22,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 603 transitions, 1589 flow [2021-12-06 18:55:22,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 603 transitions, 1544 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-12-06 18:55:22,776 INFO L242 Difference]: Finished difference. Result has 567 places, 595 transitions, 1479 flow [2021-12-06 18:55:22,777 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1440, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1479, PETRI_PLACES=567, PETRI_TRANSITIONS=595} [2021-12-06 18:55:22,777 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 40 predicate places. [2021-12-06 18:55:22,778 INFO L470 AbstractCegarLoop]: Abstraction has has 567 places, 595 transitions, 1479 flow [2021-12-06 18:55:22,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 547.4) internal successors, (2737), 5 states have internal predecessors, (2737), 0 states have call successors, (0), 0 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 18:55:22,778 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:22,778 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:22,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 18:55:22,779 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:22,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:22,779 INFO L85 PathProgramCache]: Analyzing trace with hash 514282158, now seen corresponding path program 1 times [2021-12-06 18:55:22,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:22,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776387624] [2021-12-06 18:55:22,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:22,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:22,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:22,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776387624] [2021-12-06 18:55:22,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776387624] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:22,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:22,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:55:22,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114035787] [2021-12-06 18:55:22,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:22,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 18:55:22,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:22,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:55:22,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:55:22,875 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 531 out of 596 [2021-12-06 18:55:22,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 595 transitions, 1479 flow. Second operand has 7 states, 7 states have (on average 535.4285714285714) internal successors, (3748), 7 states have internal predecessors, (3748), 0 states have call successors, (0), 0 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 18:55:22,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:22,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 531 of 596 [2021-12-06 18:55:22,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:23,061 INFO L129 PetriNetUnfolder]: 54/846 cut-off events. [2021-12-06 18:55:23,061 INFO L130 PetriNetUnfolder]: For 71/87 co-relation queries the response was YES. [2021-12-06 18:55:23,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 846 events. 54/846 cut-off events. For 71/87 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3623 event pairs, 0 based on Foata normal form. 4/801 useless extension candidates. Maximal degree in co-relation 1174. Up to 83 conditions per place. [2021-12-06 18:55:23,071 INFO L132 encePairwiseOnDemand]: 588/596 looper letters, 38 selfloop transitions, 4 changer transitions 4/607 dead transitions. [2021-12-06 18:55:23,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 607 transitions, 1595 flow [2021-12-06 18:55:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3764 transitions. [2021-12-06 18:55:23,078 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9022051773729626 [2021-12-06 18:55:23,078 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3764 transitions. [2021-12-06 18:55:23,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3764 transitions. [2021-12-06 18:55:23,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:23,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3764 transitions. [2021-12-06 18:55:23,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 537.7142857142857) internal successors, (3764), 7 states have internal predecessors, (3764), 0 states have call successors, (0), 0 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 18:55:23,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:23,089 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:23,089 INFO L186 Difference]: Start difference. First operand has 567 places, 595 transitions, 1479 flow. Second operand 7 states and 3764 transitions. [2021-12-06 18:55:23,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 607 transitions, 1595 flow [2021-12-06 18:55:23,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 607 transitions, 1594 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 18:55:23,104 INFO L242 Difference]: Finished difference. Result has 577 places, 598 transitions, 1512 flow [2021-12-06 18:55:23,105 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1478, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1512, PETRI_PLACES=577, PETRI_TRANSITIONS=598} [2021-12-06 18:55:23,105 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 50 predicate places. [2021-12-06 18:55:23,105 INFO L470 AbstractCegarLoop]: Abstraction has has 577 places, 598 transitions, 1512 flow [2021-12-06 18:55:23,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 535.4285714285714) internal successors, (3748), 7 states have internal predecessors, (3748), 0 states have call successors, (0), 0 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 18:55:23,106 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:23,106 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:23,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 18:55:23,106 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:23,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:23,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1134371698, now seen corresponding path program 1 times [2021-12-06 18:55:23,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:23,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076025055] [2021-12-06 18:55:23,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:23,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:23,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:23,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076025055] [2021-12-06 18:55:23,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076025055] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:23,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:23,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:55:23,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744338854] [2021-12-06 18:55:23,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:23,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 18:55:23,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:23,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:55:23,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:55:23,226 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 531 out of 596 [2021-12-06 18:55:23,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 577 places, 598 transitions, 1512 flow. Second operand has 7 states, 7 states have (on average 535.4285714285714) internal successors, (3748), 7 states have internal predecessors, (3748), 0 states have call successors, (0), 0 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 18:55:23,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:23,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 531 of 596 [2021-12-06 18:55:23,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:23,445 INFO L129 PetriNetUnfolder]: 56/894 cut-off events. [2021-12-06 18:55:23,445 INFO L130 PetriNetUnfolder]: For 127/143 co-relation queries the response was YES. [2021-12-06 18:55:23,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1387 conditions, 894 events. 56/894 cut-off events. For 127/143 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4025 event pairs, 0 based on Foata normal form. 4/849 useless extension candidates. Maximal degree in co-relation 1359. Up to 125 conditions per place. [2021-12-06 18:55:23,455 INFO L132 encePairwiseOnDemand]: 589/596 looper letters, 42 selfloop transitions, 2 changer transitions 5/611 dead transitions. [2021-12-06 18:55:23,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 611 transitions, 1650 flow [2021-12-06 18:55:23,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3765 transitions. [2021-12-06 18:55:23,472 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9024448705656759 [2021-12-06 18:55:23,472 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3765 transitions. [2021-12-06 18:55:23,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3765 transitions. [2021-12-06 18:55:23,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:23,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3765 transitions. [2021-12-06 18:55:23,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 537.8571428571429) internal successors, (3765), 7 states have internal predecessors, (3765), 0 states have call successors, (0), 0 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 18:55:23,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:23,485 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:23,485 INFO L186 Difference]: Start difference. First operand has 577 places, 598 transitions, 1512 flow. Second operand 7 states and 3765 transitions. [2021-12-06 18:55:23,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 611 transitions, 1650 flow [2021-12-06 18:55:23,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 611 transitions, 1632 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-12-06 18:55:23,502 INFO L242 Difference]: Finished difference. Result has 581 places, 599 transitions, 1526 flow [2021-12-06 18:55:23,503 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1504, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=598, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1526, PETRI_PLACES=581, PETRI_TRANSITIONS=599} [2021-12-06 18:55:23,504 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 54 predicate places. [2021-12-06 18:55:23,504 INFO L470 AbstractCegarLoop]: Abstraction has has 581 places, 599 transitions, 1526 flow [2021-12-06 18:55:23,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 535.4285714285714) internal successors, (3748), 7 states have internal predecessors, (3748), 0 states have call successors, (0), 0 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 18:55:23,505 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:23,505 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:23,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 18:55:23,505 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:23,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:23,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1515986788, now seen corresponding path program 1 times [2021-12-06 18:55:23,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:23,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622658562] [2021-12-06 18:55:23,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:23,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:23,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:23,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622658562] [2021-12-06 18:55:23,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622658562] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:23,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:23,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:55:23,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181512142] [2021-12-06 18:55:23,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:23,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:55:23,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:23,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:55:23,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:55:23,562 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 596 [2021-12-06 18:55:23,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 599 transitions, 1526 flow. Second operand has 4 states, 4 states have (on average 550.75) internal successors, (2203), 4 states have internal predecessors, (2203), 0 states have call successors, (0), 0 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 18:55:23,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:23,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 596 [2021-12-06 18:55:23,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:23,794 INFO L129 PetriNetUnfolder]: 137/1358 cut-off events. [2021-12-06 18:55:23,794 INFO L130 PetriNetUnfolder]: For 151/163 co-relation queries the response was YES. [2021-12-06 18:55:23,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1886 conditions, 1358 events. 137/1358 cut-off events. For 151/163 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7135 event pairs, 30 based on Foata normal form. 6/1238 useless extension candidates. Maximal degree in co-relation 1856. Up to 139 conditions per place. [2021-12-06 18:55:23,805 INFO L132 encePairwiseOnDemand]: 592/596 looper letters, 29 selfloop transitions, 3 changer transitions 2/606 dead transitions. [2021-12-06 18:55:23,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 606 transitions, 1614 flow [2021-12-06 18:55:23,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:55:23,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-06 18:55:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2770 transitions. [2021-12-06 18:55:23,810 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9295302013422819 [2021-12-06 18:55:23,810 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2770 transitions. [2021-12-06 18:55:23,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2770 transitions. [2021-12-06 18:55:23,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:23,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2770 transitions. [2021-12-06 18:55:23,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 554.0) internal successors, (2770), 5 states have internal predecessors, (2770), 0 states have call successors, (0), 0 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 18:55:23,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 596.0) internal successors, (3576), 6 states have internal predecessors, (3576), 0 states have call successors, (0), 0 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 18:55:23,816 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 596.0) internal successors, (3576), 6 states have internal predecessors, (3576), 0 states have call successors, (0), 0 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 18:55:23,816 INFO L186 Difference]: Start difference. First operand has 581 places, 599 transitions, 1526 flow. Second operand 5 states and 2770 transitions. [2021-12-06 18:55:23,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 606 transitions, 1614 flow [2021-12-06 18:55:23,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 606 transitions, 1604 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-12-06 18:55:23,826 INFO L242 Difference]: Finished difference. Result has 579 places, 599 transitions, 1529 flow [2021-12-06 18:55:23,827 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1516, PETRI_DIFFERENCE_MINUEND_PLACES=572, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1529, PETRI_PLACES=579, PETRI_TRANSITIONS=599} [2021-12-06 18:55:23,828 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 52 predicate places. [2021-12-06 18:55:23,828 INFO L470 AbstractCegarLoop]: Abstraction has has 579 places, 599 transitions, 1529 flow [2021-12-06 18:55:23,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 550.75) internal successors, (2203), 4 states have internal predecessors, (2203), 0 states have call successors, (0), 0 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 18:55:23,828 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:23,829 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:23,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 18:55:23,829 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:23,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:23,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1405245386, now seen corresponding path program 1 times [2021-12-06 18:55:23,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:23,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684649193] [2021-12-06 18:55:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:23,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:23,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:23,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684649193] [2021-12-06 18:55:23,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684649193] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:23,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:23,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:55:23,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021761790] [2021-12-06 18:55:23,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:23,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:55:23,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:23,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:55:23,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:55:23,876 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 596 [2021-12-06 18:55:23,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 579 places, 599 transitions, 1529 flow. Second operand has 4 states, 4 states have (on average 550.75) internal successors, (2203), 4 states have internal predecessors, (2203), 0 states have call successors, (0), 0 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 18:55:23,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:23,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 596 [2021-12-06 18:55:23,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:24,185 INFO L129 PetriNetUnfolder]: 136/1792 cut-off events. [2021-12-06 18:55:24,185 INFO L130 PetriNetUnfolder]: For 117/140 co-relation queries the response was YES. [2021-12-06 18:55:24,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2275 conditions, 1792 events. 136/1792 cut-off events. For 117/140 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 11181 event pairs, 14 based on Foata normal form. 8/1639 useless extension candidates. Maximal degree in co-relation 2246. Up to 69 conditions per place. [2021-12-06 18:55:24,200 INFO L132 encePairwiseOnDemand]: 592/596 looper letters, 30 selfloop transitions, 3 changer transitions 2/607 dead transitions. [2021-12-06 18:55:24,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 607 transitions, 1622 flow [2021-12-06 18:55:24,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:55:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-06 18:55:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2771 transitions. [2021-12-06 18:55:24,206 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9298657718120805 [2021-12-06 18:55:24,206 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2771 transitions. [2021-12-06 18:55:24,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2771 transitions. [2021-12-06 18:55:24,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:24,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2771 transitions. [2021-12-06 18:55:24,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 554.2) internal successors, (2771), 5 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:55:24,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 596.0) internal successors, (3576), 6 states have internal predecessors, (3576), 0 states have call successors, (0), 0 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 18:55:24,213 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 596.0) internal successors, (3576), 6 states have internal predecessors, (3576), 0 states have call successors, (0), 0 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 18:55:24,213 INFO L186 Difference]: Start difference. First operand has 579 places, 599 transitions, 1529 flow. Second operand 5 states and 2771 transitions. [2021-12-06 18:55:24,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 607 transitions, 1622 flow [2021-12-06 18:55:24,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 607 transitions, 1613 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-06 18:55:24,225 INFO L242 Difference]: Finished difference. Result has 584 places, 599 transitions, 1537 flow [2021-12-06 18:55:24,226 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1520, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1537, PETRI_PLACES=584, PETRI_TRANSITIONS=599} [2021-12-06 18:55:24,226 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 57 predicate places. [2021-12-06 18:55:24,226 INFO L470 AbstractCegarLoop]: Abstraction has has 584 places, 599 transitions, 1537 flow [2021-12-06 18:55:24,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 550.75) internal successors, (2203), 4 states have internal predecessors, (2203), 0 states have call successors, (0), 0 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 18:55:24,227 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:24,227 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:24,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 18:55:24,228 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:24,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:24,228 INFO L85 PathProgramCache]: Analyzing trace with hash -186903562, now seen corresponding path program 1 times [2021-12-06 18:55:24,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:24,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471593862] [2021-12-06 18:55:24,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:24,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:24,288 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:24,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:24,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471593862] [2021-12-06 18:55:24,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471593862] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:24,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:24,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:55:24,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042282718] [2021-12-06 18:55:24,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:24,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:55:24,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:24,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:55:24,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:55:24,290 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 596 [2021-12-06 18:55:24,291 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 599 transitions, 1537 flow. Second operand has 3 states, 3 states have (on average 552.0) internal successors, (1656), 3 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:55:24,291 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:24,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 596 [2021-12-06 18:55:24,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:24,591 INFO L129 PetriNetUnfolder]: 159/1654 cut-off events. [2021-12-06 18:55:24,591 INFO L130 PetriNetUnfolder]: For 141/159 co-relation queries the response was YES. [2021-12-06 18:55:24,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2126 conditions, 1654 events. 159/1654 cut-off events. For 141/159 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10239 event pairs, 36 based on Foata normal form. 0/1485 useless extension candidates. Maximal degree in co-relation 2094. Up to 111 conditions per place. [2021-12-06 18:55:24,605 INFO L132 encePairwiseOnDemand]: 591/596 looper letters, 24 selfloop transitions, 4 changer transitions 0/606 dead transitions. [2021-12-06 18:55:24,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 606 transitions, 1609 flow [2021-12-06 18:55:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:55:24,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 18:55:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1676 transitions. [2021-12-06 18:55:24,608 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9373601789709173 [2021-12-06 18:55:24,608 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1676 transitions. [2021-12-06 18:55:24,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1676 transitions. [2021-12-06 18:55:24,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:24,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1676 transitions. [2021-12-06 18:55:24,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 558.6666666666666) internal successors, (1676), 3 states have internal predecessors, (1676), 0 states have call successors, (0), 0 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 18:55:24,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:24,612 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:24,612 INFO L186 Difference]: Start difference. First operand has 584 places, 599 transitions, 1537 flow. Second operand 3 states and 1676 transitions. [2021-12-06 18:55:24,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 586 places, 606 transitions, 1609 flow [2021-12-06 18:55:24,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 606 transitions, 1600 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-06 18:55:24,622 INFO L242 Difference]: Finished difference. Result has 585 places, 600 transitions, 1546 flow [2021-12-06 18:55:24,623 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1528, PETRI_DIFFERENCE_MINUEND_PLACES=582, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1546, PETRI_PLACES=585, PETRI_TRANSITIONS=600} [2021-12-06 18:55:24,624 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 58 predicate places. [2021-12-06 18:55:24,624 INFO L470 AbstractCegarLoop]: Abstraction has has 585 places, 600 transitions, 1546 flow [2021-12-06 18:55:24,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 552.0) internal successors, (1656), 3 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:55:24,624 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:24,624 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:24,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 18:55:24,624 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1542592377, now seen corresponding path program 1 times [2021-12-06 18:55:24,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:24,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735022386] [2021-12-06 18:55:24,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:24,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:24,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:24,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735022386] [2021-12-06 18:55:24,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735022386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:24,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:24,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:55:24,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227613164] [2021-12-06 18:55:24,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:24,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:55:24,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:24,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:55:24,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:55:24,678 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 596 [2021-12-06 18:55:24,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 600 transitions, 1546 flow. Second operand has 3 states, 3 states have (on average 552.0) internal successors, (1656), 3 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:55:24,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:24,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 596 [2021-12-06 18:55:24,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:25,097 INFO L129 PetriNetUnfolder]: 179/2575 cut-off events. [2021-12-06 18:55:25,097 INFO L130 PetriNetUnfolder]: For 125/167 co-relation queries the response was YES. [2021-12-06 18:55:25,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3205 conditions, 2575 events. 179/2575 cut-off events. For 125/167 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 17246 event pairs, 12 based on Foata normal form. 2/2357 useless extension candidates. Maximal degree in co-relation 3172. Up to 58 conditions per place. [2021-12-06 18:55:25,128 INFO L132 encePairwiseOnDemand]: 591/596 looper letters, 25 selfloop transitions, 4 changer transitions 0/608 dead transitions. [2021-12-06 18:55:25,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 587 places, 608 transitions, 1623 flow [2021-12-06 18:55:25,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:55:25,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 18:55:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1677 transitions. [2021-12-06 18:55:25,132 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9379194630872483 [2021-12-06 18:55:25,132 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1677 transitions. [2021-12-06 18:55:25,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1677 transitions. [2021-12-06 18:55:25,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:25,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1677 transitions. [2021-12-06 18:55:25,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 559.0) internal successors, (1677), 3 states have internal predecessors, (1677), 0 states have call successors, (0), 0 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 18:55:25,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:25,137 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:25,137 INFO L186 Difference]: Start difference. First operand has 585 places, 600 transitions, 1546 flow. Second operand 3 states and 1677 transitions. [2021-12-06 18:55:25,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 587 places, 608 transitions, 1623 flow [2021-12-06 18:55:25,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 608 transitions, 1619 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 18:55:25,149 INFO L242 Difference]: Finished difference. Result has 587 places, 601 transitions, 1560 flow [2021-12-06 18:55:25,150 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=600, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1560, PETRI_PLACES=587, PETRI_TRANSITIONS=601} [2021-12-06 18:55:25,150 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 60 predicate places. [2021-12-06 18:55:25,150 INFO L470 AbstractCegarLoop]: Abstraction has has 587 places, 601 transitions, 1560 flow [2021-12-06 18:55:25,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 552.0) internal successors, (1656), 3 states have internal predecessors, (1656), 0 states have call successors, (0), 0 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 18:55:25,150 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:25,151 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:25,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 18:55:25,151 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:25,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:25,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1049860450, now seen corresponding path program 1 times [2021-12-06 18:55:25,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:25,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237064209] [2021-12-06 18:55:25,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:25,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:25,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:25,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237064209] [2021-12-06 18:55:25,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237064209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:25,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:25,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:55:25,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854057684] [2021-12-06 18:55:25,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:25,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:55:25,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:25,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:55:25,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:55:25,213 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 596 [2021-12-06 18:55:25,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 601 transitions, 1560 flow. Second operand has 3 states, 3 states have (on average 554.3333333333334) internal successors, (1663), 3 states have internal predecessors, (1663), 0 states have call successors, (0), 0 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 18:55:25,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:25,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 596 [2021-12-06 18:55:25,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:25,736 INFO L129 PetriNetUnfolder]: 225/3066 cut-off events. [2021-12-06 18:55:25,736 INFO L130 PetriNetUnfolder]: For 240/296 co-relation queries the response was YES. [2021-12-06 18:55:25,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4006 conditions, 3066 events. 225/3066 cut-off events. For 240/296 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 22334 event pairs, 31 based on Foata normal form. 4/2849 useless extension candidates. Maximal degree in co-relation 3972. Up to 95 conditions per place. [2021-12-06 18:55:25,759 INFO L132 encePairwiseOnDemand]: 589/596 looper letters, 26 selfloop transitions, 5 changer transitions 0/612 dead transitions. [2021-12-06 18:55:25,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 612 transitions, 1650 flow [2021-12-06 18:55:25,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:55:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 18:55:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1683 transitions. [2021-12-06 18:55:25,763 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9412751677852349 [2021-12-06 18:55:25,763 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1683 transitions. [2021-12-06 18:55:25,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1683 transitions. [2021-12-06 18:55:25,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:25,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1683 transitions. [2021-12-06 18:55:25,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 561.0) internal successors, (1683), 3 states have internal predecessors, (1683), 0 states have call successors, (0), 0 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 18:55:25,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:25,766 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:25,766 INFO L186 Difference]: Start difference. First operand has 587 places, 601 transitions, 1560 flow. Second operand 3 states and 1683 transitions. [2021-12-06 18:55:25,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 612 transitions, 1650 flow [2021-12-06 18:55:25,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 612 transitions, 1646 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 18:55:25,777 INFO L242 Difference]: Finished difference. Result has 590 places, 604 transitions, 1595 flow [2021-12-06 18:55:25,778 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1556, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1595, PETRI_PLACES=590, PETRI_TRANSITIONS=604} [2021-12-06 18:55:25,778 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 63 predicate places. [2021-12-06 18:55:25,779 INFO L470 AbstractCegarLoop]: Abstraction has has 590 places, 604 transitions, 1595 flow [2021-12-06 18:55:25,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 554.3333333333334) internal successors, (1663), 3 states have internal predecessors, (1663), 0 states have call successors, (0), 0 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 18:55:25,779 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:25,779 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:25,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 18:55:25,779 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:25,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:25,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1896665874, now seen corresponding path program 2 times [2021-12-06 18:55:25,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:25,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167529272] [2021-12-06 18:55:25,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:25,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:25,826 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:25,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:25,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167529272] [2021-12-06 18:55:25,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167529272] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:25,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:25,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:55:25,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421176384] [2021-12-06 18:55:25,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:25,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:55:25,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:25,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:55:25,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:55:25,829 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 596 [2021-12-06 18:55:25,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 604 transitions, 1595 flow. Second operand has 3 states, 3 states have (on average 554.3333333333334) internal successors, (1663), 3 states have internal predecessors, (1663), 0 states have call successors, (0), 0 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 18:55:25,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:25,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 596 [2021-12-06 18:55:25,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:26,308 INFO L129 PetriNetUnfolder]: 221/2931 cut-off events. [2021-12-06 18:55:26,308 INFO L130 PetriNetUnfolder]: For 311/371 co-relation queries the response was YES. [2021-12-06 18:55:26,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3890 conditions, 2931 events. 221/2931 cut-off events. For 311/371 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 20852 event pairs, 40 based on Foata normal form. 3/2717 useless extension candidates. Maximal degree in co-relation 3855. Up to 128 conditions per place. [2021-12-06 18:55:26,329 INFO L132 encePairwiseOnDemand]: 592/596 looper letters, 26 selfloop transitions, 2 changer transitions 3/612 dead transitions. [2021-12-06 18:55:26,329 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 592 places, 612 transitions, 1676 flow [2021-12-06 18:55:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:55:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 18:55:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1680 transitions. [2021-12-06 18:55:26,333 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9395973154362416 [2021-12-06 18:55:26,333 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1680 transitions. [2021-12-06 18:55:26,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1680 transitions. [2021-12-06 18:55:26,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:26,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1680 transitions. [2021-12-06 18:55:26,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 560.0) internal successors, (1680), 3 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:55:26,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:26,336 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:26,336 INFO L186 Difference]: Start difference. First operand has 590 places, 604 transitions, 1595 flow. Second operand 3 states and 1680 transitions. [2021-12-06 18:55:26,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 592 places, 612 transitions, 1676 flow [2021-12-06 18:55:26,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 590 places, 612 transitions, 1666 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 18:55:26,347 INFO L242 Difference]: Finished difference. Result has 591 places, 604 transitions, 1595 flow [2021-12-06 18:55:26,348 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1585, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1595, PETRI_PLACES=591, PETRI_TRANSITIONS=604} [2021-12-06 18:55:26,348 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 64 predicate places. [2021-12-06 18:55:26,348 INFO L470 AbstractCegarLoop]: Abstraction has has 591 places, 604 transitions, 1595 flow [2021-12-06 18:55:26,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 554.3333333333334) internal successors, (1663), 3 states have internal predecessors, (1663), 0 states have call successors, (0), 0 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 18:55:26,349 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:26,349 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:26,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 18:55:26,349 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:26,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:26,349 INFO L85 PathProgramCache]: Analyzing trace with hash 428392958, now seen corresponding path program 1 times [2021-12-06 18:55:26,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:26,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220464905] [2021-12-06 18:55:26,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:26,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:26,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:26,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220464905] [2021-12-06 18:55:26,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220464905] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:26,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:26,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:55:26,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676046812] [2021-12-06 18:55:26,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:26,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:55:26,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:26,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:55:26,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:55:26,395 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 596 [2021-12-06 18:55:26,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 604 transitions, 1595 flow. Second operand has 3 states, 3 states have (on average 554.3333333333334) internal successors, (1663), 3 states have internal predecessors, (1663), 0 states have call successors, (0), 0 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 18:55:26,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:26,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 596 [2021-12-06 18:55:26,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:26,923 INFO L129 PetriNetUnfolder]: 236/3053 cut-off events. [2021-12-06 18:55:26,923 INFO L130 PetriNetUnfolder]: For 365/427 co-relation queries the response was YES. [2021-12-06 18:55:26,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3964 conditions, 3053 events. 236/3053 cut-off events. For 365/427 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 22043 event pairs, 39 based on Foata normal form. 5/2822 useless extension candidates. Maximal degree in co-relation 3928. Up to 116 conditions per place. [2021-12-06 18:55:26,948 INFO L132 encePairwiseOnDemand]: 592/596 looper letters, 26 selfloop transitions, 3 changer transitions 3/613 dead transitions. [2021-12-06 18:55:26,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 613 transitions, 1684 flow [2021-12-06 18:55:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:55:26,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 18:55:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1681 transitions. [2021-12-06 18:55:26,952 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9401565995525727 [2021-12-06 18:55:26,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1681 transitions. [2021-12-06 18:55:26,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1681 transitions. [2021-12-06 18:55:26,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:26,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1681 transitions. [2021-12-06 18:55:26,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 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 18:55:26,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:26,956 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:26,956 INFO L186 Difference]: Start difference. First operand has 591 places, 604 transitions, 1595 flow. Second operand 3 states and 1681 transitions. [2021-12-06 18:55:26,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 613 transitions, 1684 flow [2021-12-06 18:55:26,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 592 places, 613 transitions, 1682 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 18:55:26,969 INFO L242 Difference]: Finished difference. Result has 593 places, 604 transitions, 1606 flow [2021-12-06 18:55:26,969 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1593, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1606, PETRI_PLACES=593, PETRI_TRANSITIONS=604} [2021-12-06 18:55:26,970 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 66 predicate places. [2021-12-06 18:55:26,970 INFO L470 AbstractCegarLoop]: Abstraction has has 593 places, 604 transitions, 1606 flow [2021-12-06 18:55:26,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 554.3333333333334) internal successors, (1663), 3 states have internal predecessors, (1663), 0 states have call successors, (0), 0 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 18:55:26,970 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:26,970 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:26,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 18:55:26,970 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:26,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:26,971 INFO L85 PathProgramCache]: Analyzing trace with hash -2085797344, now seen corresponding path program 2 times [2021-12-06 18:55:26,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:26,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395651398] [2021-12-06 18:55:26,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:26,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:27,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:27,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395651398] [2021-12-06 18:55:27,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395651398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:27,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:27,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:55:27,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815455101] [2021-12-06 18:55:27,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:27,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:55:27,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:27,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:55:27,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:55:27,028 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 596 [2021-12-06 18:55:27,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 593 places, 604 transitions, 1606 flow. Second operand has 3 states, 3 states have (on average 554.3333333333334) internal successors, (1663), 3 states have internal predecessors, (1663), 0 states have call successors, (0), 0 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 18:55:27,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:27,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 596 [2021-12-06 18:55:27,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:27,534 INFO L129 PetriNetUnfolder]: 215/2844 cut-off events. [2021-12-06 18:55:27,534 INFO L130 PetriNetUnfolder]: For 428/494 co-relation queries the response was YES. [2021-12-06 18:55:27,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3790 conditions, 2844 events. 215/2844 cut-off events. For 428/494 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 19686 event pairs, 26 based on Foata normal form. 4/2642 useless extension candidates. Maximal degree in co-relation 3753. Up to 74 conditions per place. [2021-12-06 18:55:27,556 INFO L132 encePairwiseOnDemand]: 589/596 looper letters, 27 selfloop transitions, 5 changer transitions 3/616 dead transitions. [2021-12-06 18:55:27,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 595 places, 616 transitions, 1720 flow [2021-12-06 18:55:27,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:55:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 18:55:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1683 transitions. [2021-12-06 18:55:27,559 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9412751677852349 [2021-12-06 18:55:27,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1683 transitions. [2021-12-06 18:55:27,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1683 transitions. [2021-12-06 18:55:27,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:27,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1683 transitions. [2021-12-06 18:55:27,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 561.0) internal successors, (1683), 3 states have internal predecessors, (1683), 0 states have call successors, (0), 0 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 18:55:27,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:27,562 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 596.0) internal successors, (2384), 4 states have internal predecessors, (2384), 0 states have call successors, (0), 0 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 18:55:27,562 INFO L186 Difference]: Start difference. First operand has 593 places, 604 transitions, 1606 flow. Second operand 3 states and 1683 transitions. [2021-12-06 18:55:27,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 595 places, 616 transitions, 1720 flow [2021-12-06 18:55:27,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 594 places, 616 transitions, 1717 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 18:55:27,573 INFO L242 Difference]: Finished difference. Result has 596 places, 605 transitions, 1628 flow [2021-12-06 18:55:27,574 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1603, PETRI_DIFFERENCE_MINUEND_PLACES=592, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1628, PETRI_PLACES=596, PETRI_TRANSITIONS=605} [2021-12-06 18:55:27,574 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 69 predicate places. [2021-12-06 18:55:27,574 INFO L470 AbstractCegarLoop]: Abstraction has has 596 places, 605 transitions, 1628 flow [2021-12-06 18:55:27,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 554.3333333333334) internal successors, (1663), 3 states have internal predecessors, (1663), 0 states have call successors, (0), 0 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 18:55:27,575 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:27,575 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:27,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 18:55:27,575 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:27,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:27,575 INFO L85 PathProgramCache]: Analyzing trace with hash 371722502, now seen corresponding path program 1 times [2021-12-06 18:55:27,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:27,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992258246] [2021-12-06 18:55:27,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:27,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:27,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:27,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992258246] [2021-12-06 18:55:27,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992258246] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:27,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:27,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:27,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939515621] [2021-12-06 18:55:27,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:27,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:27,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:27,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:27,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:27,642 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 514 out of 596 [2021-12-06 18:55:27,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 605 transitions, 1628 flow. Second operand has 5 states, 5 states have (on average 518.8) internal successors, (2594), 5 states have internal predecessors, (2594), 0 states have call successors, (0), 0 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 18:55:27,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:27,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 514 of 596 [2021-12-06 18:55:27,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:28,807 INFO L129 PetriNetUnfolder]: 1062/6556 cut-off events. [2021-12-06 18:55:28,807 INFO L130 PetriNetUnfolder]: For 2187/2189 co-relation queries the response was YES. [2021-12-06 18:55:28,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9902 conditions, 6556 events. 1062/6556 cut-off events. For 2187/2189 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 63139 event pairs, 409 based on Foata normal form. 1/5865 useless extension candidates. Maximal degree in co-relation 9864. Up to 1002 conditions per place. [2021-12-06 18:55:28,847 INFO L132 encePairwiseOnDemand]: 574/596 looper letters, 71 selfloop transitions, 21 changer transitions 29/666 dead transitions. [2021-12-06 18:55:28,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 666 transitions, 2081 flow [2021-12-06 18:55:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:28,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3713 transitions. [2021-12-06 18:55:28,854 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8899808245445829 [2021-12-06 18:55:28,854 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3713 transitions. [2021-12-06 18:55:28,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3713 transitions. [2021-12-06 18:55:28,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:28,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3713 transitions. [2021-12-06 18:55:28,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 530.4285714285714) internal successors, (3713), 7 states have internal predecessors, (3713), 0 states have call successors, (0), 0 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 18:55:28,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:28,862 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:28,862 INFO L186 Difference]: Start difference. First operand has 596 places, 605 transitions, 1628 flow. Second operand 7 states and 3713 transitions. [2021-12-06 18:55:28,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 666 transitions, 2081 flow [2021-12-06 18:55:28,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 600 places, 666 transitions, 2047 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-12-06 18:55:28,880 INFO L242 Difference]: Finished difference. Result has 606 places, 615 transitions, 1753 flow [2021-12-06 18:55:28,881 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1610, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1753, PETRI_PLACES=606, PETRI_TRANSITIONS=615} [2021-12-06 18:55:28,881 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 79 predicate places. [2021-12-06 18:55:28,881 INFO L470 AbstractCegarLoop]: Abstraction has has 606 places, 615 transitions, 1753 flow [2021-12-06 18:55:28,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 518.8) internal successors, (2594), 5 states have internal predecessors, (2594), 0 states have call successors, (0), 0 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 18:55:28,882 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:28,882 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:28,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 18:55:28,882 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:28,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:28,883 INFO L85 PathProgramCache]: Analyzing trace with hash -487313754, now seen corresponding path program 2 times [2021-12-06 18:55:28,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:28,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204645556] [2021-12-06 18:55:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:28,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:28,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:28,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204645556] [2021-12-06 18:55:28,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204645556] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:28,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:28,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:28,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504060793] [2021-12-06 18:55:28,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:28,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:28,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:28,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:28,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:28,962 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 514 out of 596 [2021-12-06 18:55:28,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 615 transitions, 1753 flow. Second operand has 5 states, 5 states have (on average 518.8) internal successors, (2594), 5 states have internal predecessors, (2594), 0 states have call successors, (0), 0 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 18:55:28,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:28,965 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 514 of 596 [2021-12-06 18:55:28,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:30,168 INFO L129 PetriNetUnfolder]: 965/5840 cut-off events. [2021-12-06 18:55:30,168 INFO L130 PetriNetUnfolder]: For 2973/2985 co-relation queries the response was YES. [2021-12-06 18:55:30,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9292 conditions, 5840 events. 965/5840 cut-off events. For 2973/2985 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 54895 event pairs, 348 based on Foata normal form. 42/5414 useless extension candidates. Maximal degree in co-relation 9249. Up to 1071 conditions per place. [2021-12-06 18:55:30,210 INFO L132 encePairwiseOnDemand]: 585/596 looper letters, 82 selfloop transitions, 12 changer transitions 15/654 dead transitions. [2021-12-06 18:55:30,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 654 transitions, 2159 flow [2021-12-06 18:55:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:55:30,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:55:30,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3179 transitions. [2021-12-06 18:55:30,213 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8889821029082774 [2021-12-06 18:55:30,213 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3179 transitions. [2021-12-06 18:55:30,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3179 transitions. [2021-12-06 18:55:30,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:30,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3179 transitions. [2021-12-06 18:55:30,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 529.8333333333334) internal successors, (3179), 6 states have internal predecessors, (3179), 0 states have call successors, (0), 0 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 18:55:30,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 596.0) internal successors, (4172), 7 states have internal predecessors, (4172), 0 states have call successors, (0), 0 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 18:55:30,218 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 596.0) internal successors, (4172), 7 states have internal predecessors, (4172), 0 states have call successors, (0), 0 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 18:55:30,219 INFO L186 Difference]: Start difference. First operand has 606 places, 615 transitions, 1753 flow. Second operand 6 states and 3179 transitions. [2021-12-06 18:55:30,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 654 transitions, 2159 flow [2021-12-06 18:55:30,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 609 places, 654 transitions, 2155 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-06 18:55:30,237 INFO L242 Difference]: Finished difference. Result has 613 places, 621 transitions, 1855 flow [2021-12-06 18:55:30,237 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1751, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1855, PETRI_PLACES=613, PETRI_TRANSITIONS=621} [2021-12-06 18:55:30,238 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 86 predicate places. [2021-12-06 18:55:30,238 INFO L470 AbstractCegarLoop]: Abstraction has has 613 places, 621 transitions, 1855 flow [2021-12-06 18:55:30,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 518.8) internal successors, (2594), 5 states have internal predecessors, (2594), 0 states have call successors, (0), 0 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 18:55:30,238 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:30,238 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:30,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 18:55:30,239 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:30,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:30,239 INFO L85 PathProgramCache]: Analyzing trace with hash 742915764, now seen corresponding path program 3 times [2021-12-06 18:55:30,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:30,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060936291] [2021-12-06 18:55:30,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:30,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:30,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:30,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060936291] [2021-12-06 18:55:30,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060936291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:30,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:30,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:30,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651539977] [2021-12-06 18:55:30,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:30,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:30,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:30,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:30,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:30,302 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 596 [2021-12-06 18:55:30,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 613 places, 621 transitions, 1855 flow. Second operand has 5 states, 5 states have (on average 517.2) internal successors, (2586), 5 states have internal predecessors, (2586), 0 states have call successors, (0), 0 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 18:55:30,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:30,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 596 [2021-12-06 18:55:30,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:31,507 INFO L129 PetriNetUnfolder]: 978/6239 cut-off events. [2021-12-06 18:55:31,507 INFO L130 PetriNetUnfolder]: For 2859/2891 co-relation queries the response was YES. [2021-12-06 18:55:31,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10038 conditions, 6239 events. 978/6239 cut-off events. For 2859/2891 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 59455 event pairs, 396 based on Foata normal form. 20/5759 useless extension candidates. Maximal degree in co-relation 9992. Up to 772 conditions per place. [2021-12-06 18:55:31,548 INFO L132 encePairwiseOnDemand]: 581/596 looper letters, 82 selfloop transitions, 15 changer transitions 35/675 dead transitions. [2021-12-06 18:55:31,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 675 transitions, 2349 flow [2021-12-06 18:55:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3693 transitions. [2021-12-06 18:55:31,551 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8851869606903164 [2021-12-06 18:55:31,551 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3693 transitions. [2021-12-06 18:55:31,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3693 transitions. [2021-12-06 18:55:31,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:31,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3693 transitions. [2021-12-06 18:55:31,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 527.5714285714286) internal successors, (3693), 7 states have internal predecessors, (3693), 0 states have call successors, (0), 0 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 18:55:31,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:31,560 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:31,560 INFO L186 Difference]: Start difference. First operand has 613 places, 621 transitions, 1855 flow. Second operand 7 states and 3693 transitions. [2021-12-06 18:55:31,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 675 transitions, 2349 flow [2021-12-06 18:55:31,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 675 transitions, 2331 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-12-06 18:55:31,581 INFO L242 Difference]: Finished difference. Result has 622 places, 616 transitions, 1843 flow [2021-12-06 18:55:31,582 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1843, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1843, PETRI_PLACES=622, PETRI_TRANSITIONS=616} [2021-12-06 18:55:31,582 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 95 predicate places. [2021-12-06 18:55:31,582 INFO L470 AbstractCegarLoop]: Abstraction has has 622 places, 616 transitions, 1843 flow [2021-12-06 18:55:31,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 517.2) internal successors, (2586), 5 states have internal predecessors, (2586), 0 states have call successors, (0), 0 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 18:55:31,583 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:31,583 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:31,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 18:55:31,583 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:31,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:31,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1823887304, now seen corresponding path program 4 times [2021-12-06 18:55:31,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:31,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644145542] [2021-12-06 18:55:31,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:31,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:31,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:31,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644145542] [2021-12-06 18:55:31,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644145542] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:31,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:31,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:31,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316554767] [2021-12-06 18:55:31,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:31,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:31,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:31,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:31,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:31,653 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 514 out of 596 [2021-12-06 18:55:31,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 616 transitions, 1843 flow. Second operand has 5 states, 5 states have (on average 518.8) internal successors, (2594), 5 states have internal predecessors, (2594), 0 states have call successors, (0), 0 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 18:55:31,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:31,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 514 of 596 [2021-12-06 18:55:31,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:32,992 INFO L129 PetriNetUnfolder]: 891/5807 cut-off events. [2021-12-06 18:55:32,992 INFO L130 PetriNetUnfolder]: For 3132/3150 co-relation queries the response was YES. [2021-12-06 18:55:33,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9253 conditions, 5807 events. 891/5807 cut-off events. For 3132/3150 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 53568 event pairs, 203 based on Foata normal form. 14/5357 useless extension candidates. Maximal degree in co-relation 9203. Up to 794 conditions per place. [2021-12-06 18:55:33,045 INFO L132 encePairwiseOnDemand]: 567/596 looper letters, 75 selfloop transitions, 34 changer transitions 16/667 dead transitions. [2021-12-06 18:55:33,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 667 transitions, 2267 flow [2021-12-06 18:55:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3711 transitions. [2021-12-06 18:55:33,049 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8895014381591563 [2021-12-06 18:55:33,049 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3711 transitions. [2021-12-06 18:55:33,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3711 transitions. [2021-12-06 18:55:33,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:33,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3711 transitions. [2021-12-06 18:55:33,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 530.1428571428571) internal successors, (3711), 7 states have internal predecessors, (3711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:55:33,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:33,056 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:33,056 INFO L186 Difference]: Start difference. First operand has 622 places, 616 transitions, 1843 flow. Second operand 7 states and 3711 transitions. [2021-12-06 18:55:33,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 667 transitions, 2267 flow [2021-12-06 18:55:33,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 667 transitions, 2229 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-12-06 18:55:33,080 INFO L242 Difference]: Finished difference. Result has 622 places, 625 transitions, 1938 flow [2021-12-06 18:55:33,081 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1795, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1938, PETRI_PLACES=622, PETRI_TRANSITIONS=625} [2021-12-06 18:55:33,081 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 95 predicate places. [2021-12-06 18:55:33,082 INFO L470 AbstractCegarLoop]: Abstraction has has 622 places, 625 transitions, 1938 flow [2021-12-06 18:55:33,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 518.8) internal successors, (2594), 5 states have internal predecessors, (2594), 0 states have call successors, (0), 0 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 18:55:33,082 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:33,082 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:33,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 18:55:33,082 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:33,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:33,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1135082975, now seen corresponding path program 1 times [2021-12-06 18:55:33,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:33,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556761667] [2021-12-06 18:55:33,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:33,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:33,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:33,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556761667] [2021-12-06 18:55:33,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556761667] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:33,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:33,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:33,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583258712] [2021-12-06 18:55:33,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:33,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:33,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:33,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:33,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:33,182 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 596 [2021-12-06 18:55:33,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 625 transitions, 1938 flow. Second operand has 5 states, 5 states have (on average 517.2) internal successors, (2586), 5 states have internal predecessors, (2586), 0 states have call successors, (0), 0 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 18:55:33,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:33,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 596 [2021-12-06 18:55:33,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:34,160 INFO L129 PetriNetUnfolder]: 619/4670 cut-off events. [2021-12-06 18:55:34,160 INFO L130 PetriNetUnfolder]: For 7560/8273 co-relation queries the response was YES. [2021-12-06 18:55:34,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7751 conditions, 4670 events. 619/4670 cut-off events. For 7560/8273 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 39167 event pairs, 79 based on Foata normal form. 155/4525 useless extension candidates. Maximal degree in co-relation 7703. Up to 565 conditions per place. [2021-12-06 18:55:34,199 INFO L132 encePairwiseOnDemand]: 588/596 looper letters, 82 selfloop transitions, 6 changer transitions 7/655 dead transitions. [2021-12-06 18:55:34,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 655 transitions, 2354 flow [2021-12-06 18:55:34,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:55:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:55:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3159 transitions. [2021-12-06 18:55:34,202 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8833892617449665 [2021-12-06 18:55:34,202 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3159 transitions. [2021-12-06 18:55:34,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3159 transitions. [2021-12-06 18:55:34,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:34,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3159 transitions. [2021-12-06 18:55:34,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 526.5) internal successors, (3159), 6 states have internal predecessors, (3159), 0 states have call successors, (0), 0 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 18:55:34,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 596.0) internal successors, (4172), 7 states have internal predecessors, (4172), 0 states have call successors, (0), 0 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 18:55:34,207 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 596.0) internal successors, (4172), 7 states have internal predecessors, (4172), 0 states have call successors, (0), 0 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 18:55:34,207 INFO L186 Difference]: Start difference. First operand has 622 places, 625 transitions, 1938 flow. Second operand 6 states and 3159 transitions. [2021-12-06 18:55:34,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 655 transitions, 2354 flow [2021-12-06 18:55:34,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 655 transitions, 2291 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-12-06 18:55:34,224 INFO L242 Difference]: Finished difference. Result has 615 places, 625 transitions, 1911 flow [2021-12-06 18:55:34,225 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1894, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=619, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1911, PETRI_PLACES=615, PETRI_TRANSITIONS=625} [2021-12-06 18:55:34,225 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 88 predicate places. [2021-12-06 18:55:34,225 INFO L470 AbstractCegarLoop]: Abstraction has has 615 places, 625 transitions, 1911 flow [2021-12-06 18:55:34,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 517.2) internal successors, (2586), 5 states have internal predecessors, (2586), 0 states have call successors, (0), 0 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 18:55:34,226 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:34,226 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:34,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 18:55:34,226 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:34,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:34,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1888026411, now seen corresponding path program 2 times [2021-12-06 18:55:34,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:34,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166638495] [2021-12-06 18:55:34,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:34,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:34,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:34,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166638495] [2021-12-06 18:55:34,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166638495] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:34,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:34,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:34,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927382331] [2021-12-06 18:55:34,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:34,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:34,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:34,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:34,282 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 596 [2021-12-06 18:55:34,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 615 places, 625 transitions, 1911 flow. Second operand has 5 states, 5 states have (on average 517.2) internal successors, (2586), 5 states have internal predecessors, (2586), 0 states have call successors, (0), 0 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 18:55:34,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:34,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 596 [2021-12-06 18:55:34,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:35,261 INFO L129 PetriNetUnfolder]: 617/5089 cut-off events. [2021-12-06 18:55:35,262 INFO L130 PetriNetUnfolder]: For 3158/3871 co-relation queries the response was YES. [2021-12-06 18:55:35,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8401 conditions, 5089 events. 617/5089 cut-off events. For 3158/3871 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 44863 event pairs, 259 based on Foata normal form. 22/4834 useless extension candidates. Maximal degree in co-relation 8358. Up to 597 conditions per place. [2021-12-06 18:55:35,298 INFO L132 encePairwiseOnDemand]: 582/596 looper letters, 73 selfloop transitions, 15 changer transitions 22/670 dead transitions. [2021-12-06 18:55:35,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 670 transitions, 2285 flow [2021-12-06 18:55:35,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:35,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:35,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3685 transitions. [2021-12-06 18:55:35,302 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8832694151486098 [2021-12-06 18:55:35,302 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3685 transitions. [2021-12-06 18:55:35,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3685 transitions. [2021-12-06 18:55:35,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:35,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3685 transitions. [2021-12-06 18:55:35,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 526.4285714285714) internal successors, (3685), 7 states have internal predecessors, (3685), 0 states have call successors, (0), 0 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 18:55:35,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:35,307 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:35,307 INFO L186 Difference]: Start difference. First operand has 615 places, 625 transitions, 1911 flow. Second operand 7 states and 3685 transitions. [2021-12-06 18:55:35,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 670 transitions, 2285 flow [2021-12-06 18:55:35,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 670 transitions, 2269 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-06 18:55:35,326 INFO L242 Difference]: Finished difference. Result has 621 places, 625 transitions, 1946 flow [2021-12-06 18:55:35,326 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1903, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=610, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1946, PETRI_PLACES=621, PETRI_TRANSITIONS=625} [2021-12-06 18:55:35,327 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 94 predicate places. [2021-12-06 18:55:35,327 INFO L470 AbstractCegarLoop]: Abstraction has has 621 places, 625 transitions, 1946 flow [2021-12-06 18:55:35,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 517.2) internal successors, (2586), 5 states have internal predecessors, (2586), 0 states have call successors, (0), 0 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 18:55:35,327 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:35,327 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:35,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-06 18:55:35,328 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:35,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:35,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1195017717, now seen corresponding path program 3 times [2021-12-06 18:55:35,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:35,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885869504] [2021-12-06 18:55:35,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:35,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:35,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:35,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885869504] [2021-12-06 18:55:35,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885869504] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:35,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:35,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:35,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254470567] [2021-12-06 18:55:35,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:35,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:35,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:35,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:35,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:35,383 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 514 out of 596 [2021-12-06 18:55:35,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 625 transitions, 1946 flow. Second operand has 5 states, 5 states have (on average 518.8) internal successors, (2594), 5 states have internal predecessors, (2594), 0 states have call successors, (0), 0 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 18:55:35,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:35,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 514 of 596 [2021-12-06 18:55:35,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:36,338 INFO L129 PetriNetUnfolder]: 611/4816 cut-off events. [2021-12-06 18:55:36,338 INFO L130 PetriNetUnfolder]: For 3622/4354 co-relation queries the response was YES. [2021-12-06 18:55:36,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8020 conditions, 4816 events. 611/4816 cut-off events. For 3622/4354 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 41166 event pairs, 234 based on Foata normal form. 84/4691 useless extension candidates. Maximal degree in co-relation 7974. Up to 655 conditions per place. [2021-12-06 18:55:36,368 INFO L132 encePairwiseOnDemand]: 573/596 looper letters, 71 selfloop transitions, 18 changer transitions 17/668 dead transitions. [2021-12-06 18:55:36,368 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 668 transitions, 2406 flow [2021-12-06 18:55:36,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3695 transitions. [2021-12-06 18:55:36,371 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8856663470757431 [2021-12-06 18:55:36,371 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3695 transitions. [2021-12-06 18:55:36,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3695 transitions. [2021-12-06 18:55:36,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:36,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3695 transitions. [2021-12-06 18:55:36,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 527.8571428571429) internal successors, (3695), 7 states have internal predecessors, (3695), 0 states have call successors, (0), 0 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 18:55:36,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:36,376 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:36,376 INFO L186 Difference]: Start difference. First operand has 621 places, 625 transitions, 1946 flow. Second operand 7 states and 3695 transitions. [2021-12-06 18:55:36,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 668 transitions, 2406 flow [2021-12-06 18:55:36,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 622 places, 668 transitions, 2400 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-12-06 18:55:36,393 INFO L242 Difference]: Finished difference. Result has 627 places, 632 transitions, 2060 flow [2021-12-06 18:55:36,394 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1942, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2060, PETRI_PLACES=627, PETRI_TRANSITIONS=632} [2021-12-06 18:55:36,394 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 100 predicate places. [2021-12-06 18:55:36,394 INFO L470 AbstractCegarLoop]: Abstraction has has 627 places, 632 transitions, 2060 flow [2021-12-06 18:55:36,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 518.8) internal successors, (2594), 5 states have internal predecessors, (2594), 0 states have call successors, (0), 0 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 18:55:36,395 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:36,395 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:36,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-06 18:55:36,395 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:36,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:36,396 INFO L85 PathProgramCache]: Analyzing trace with hash -266538759, now seen corresponding path program 4 times [2021-12-06 18:55:36,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:36,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948219371] [2021-12-06 18:55:36,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:36,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:36,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:36,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948219371] [2021-12-06 18:55:36,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948219371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:36,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:36,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:36,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266423007] [2021-12-06 18:55:36,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:36,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:36,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:36,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:36,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:36,454 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 596 [2021-12-06 18:55:36,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 632 transitions, 2060 flow. Second operand has 5 states, 5 states have (on average 517.2) internal successors, (2586), 5 states have internal predecessors, (2586), 0 states have call successors, (0), 0 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 18:55:36,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:36,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 596 [2021-12-06 18:55:36,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:37,498 INFO L129 PetriNetUnfolder]: 641/5341 cut-off events. [2021-12-06 18:55:37,498 INFO L130 PetriNetUnfolder]: For 3913/4253 co-relation queries the response was YES. [2021-12-06 18:55:37,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9040 conditions, 5341 events. 641/5341 cut-off events. For 3913/4253 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 47623 event pairs, 218 based on Foata normal form. 25/5105 useless extension candidates. Maximal degree in co-relation 8991. Up to 645 conditions per place. [2021-12-06 18:55:37,546 INFO L132 encePairwiseOnDemand]: 581/596 looper letters, 66 selfloop transitions, 14 changer transitions 18/655 dead transitions. [2021-12-06 18:55:37,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 633 places, 655 transitions, 2396 flow [2021-12-06 18:55:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3665 transitions. [2021-12-06 18:55:37,549 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8784755512943433 [2021-12-06 18:55:37,549 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3665 transitions. [2021-12-06 18:55:37,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3665 transitions. [2021-12-06 18:55:37,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:37,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3665 transitions. [2021-12-06 18:55:37,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 523.5714285714286) internal successors, (3665), 7 states have internal predecessors, (3665), 0 states have call successors, (0), 0 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 18:55:37,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:37,553 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:37,554 INFO L186 Difference]: Start difference. First operand has 627 places, 632 transitions, 2060 flow. Second operand 7 states and 3665 transitions. [2021-12-06 18:55:37,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 633 places, 655 transitions, 2396 flow [2021-12-06 18:55:37,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 655 transitions, 2372 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-12-06 18:55:37,577 INFO L242 Difference]: Finished difference. Result has 632 places, 627 transitions, 2017 flow [2021-12-06 18:55:37,577 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=2038, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=632, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2017, PETRI_PLACES=632, PETRI_TRANSITIONS=627} [2021-12-06 18:55:37,578 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 105 predicate places. [2021-12-06 18:55:37,578 INFO L470 AbstractCegarLoop]: Abstraction has has 632 places, 627 transitions, 2017 flow [2021-12-06 18:55:37,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 517.2) internal successors, (2586), 5 states have internal predecessors, (2586), 0 states have call successors, (0), 0 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 18:55:37,578 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:37,578 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:37,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 18:55:37,579 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:37,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:37,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1985383172, now seen corresponding path program 1 times [2021-12-06 18:55:37,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:37,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78920479] [2021-12-06 18:55:37,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:37,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:37,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:37,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78920479] [2021-12-06 18:55:37,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78920479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:37,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:37,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:37,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436337708] [2021-12-06 18:55:37,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:37,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:37,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:37,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:37,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:37,636 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 514 out of 596 [2021-12-06 18:55:37,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 627 transitions, 2017 flow. Second operand has 5 states, 5 states have (on average 519.0) internal successors, (2595), 5 states have internal predecessors, (2595), 0 states have call successors, (0), 0 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 18:55:37,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:37,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 514 of 596 [2021-12-06 18:55:37,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:38,727 INFO L129 PetriNetUnfolder]: 788/4876 cut-off events. [2021-12-06 18:55:38,728 INFO L130 PetriNetUnfolder]: For 3809/3810 co-relation queries the response was YES. [2021-12-06 18:55:38,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8235 conditions, 4876 events. 788/4876 cut-off events. For 3809/3810 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 43528 event pairs, 87 based on Foata normal form. 33/4521 useless extension candidates. Maximal degree in co-relation 8186. Up to 728 conditions per place. [2021-12-06 18:55:38,776 INFO L132 encePairwiseOnDemand]: 586/596 looper letters, 72 selfloop transitions, 12 changer transitions 6/635 dead transitions. [2021-12-06 18:55:38,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 635 transitions, 2194 flow [2021-12-06 18:55:38,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:55:38,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:55:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3161 transitions. [2021-12-06 18:55:38,779 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8839485458612976 [2021-12-06 18:55:38,779 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3161 transitions. [2021-12-06 18:55:38,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3161 transitions. [2021-12-06 18:55:38,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:38,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3161 transitions. [2021-12-06 18:55:38,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 526.8333333333334) internal successors, (3161), 6 states have internal predecessors, (3161), 0 states have call successors, (0), 0 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 18:55:38,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 596.0) internal successors, (4172), 7 states have internal predecessors, (4172), 0 states have call successors, (0), 0 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 18:55:38,785 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 596.0) internal successors, (4172), 7 states have internal predecessors, (4172), 0 states have call successors, (0), 0 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 18:55:38,785 INFO L186 Difference]: Start difference. First operand has 632 places, 627 transitions, 2017 flow. Second operand 6 states and 3161 transitions. [2021-12-06 18:55:38,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 635 transitions, 2194 flow [2021-12-06 18:55:38,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 635 transitions, 2070 flow, removed 25 selfloop flow, removed 12 redundant places. [2021-12-06 18:55:38,804 INFO L242 Difference]: Finished difference. Result has 620 places, 612 transitions, 1819 flow [2021-12-06 18:55:38,805 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1795, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1819, PETRI_PLACES=620, PETRI_TRANSITIONS=612} [2021-12-06 18:55:38,805 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 93 predicate places. [2021-12-06 18:55:38,805 INFO L470 AbstractCegarLoop]: Abstraction has has 620 places, 612 transitions, 1819 flow [2021-12-06 18:55:38,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 519.0) internal successors, (2595), 5 states have internal predecessors, (2595), 0 states have call successors, (0), 0 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 18:55:38,806 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:38,806 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:38,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-06 18:55:38,806 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:38,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:38,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1106359420, now seen corresponding path program 2 times [2021-12-06 18:55:38,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:38,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754178179] [2021-12-06 18:55:38,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:38,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:38,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:38,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754178179] [2021-12-06 18:55:38,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754178179] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:38,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:38,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:38,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284826243] [2021-12-06 18:55:38,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:38,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:38,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:38,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:38,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:38,876 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 514 out of 596 [2021-12-06 18:55:38,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 620 places, 612 transitions, 1819 flow. Second operand has 5 states, 5 states have (on average 519.0) internal successors, (2595), 5 states have internal predecessors, (2595), 0 states have call successors, (0), 0 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 18:55:38,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:38,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 514 of 596 [2021-12-06 18:55:38,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:40,052 INFO L129 PetriNetUnfolder]: 823/5387 cut-off events. [2021-12-06 18:55:40,053 INFO L130 PetriNetUnfolder]: For 1445/1445 co-relation queries the response was YES. [2021-12-06 18:55:40,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8260 conditions, 5387 events. 823/5387 cut-off events. For 1445/1445 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 48586 event pairs, 207 based on Foata normal form. 2/4972 useless extension candidates. Maximal degree in co-relation 8217. Up to 780 conditions per place. [2021-12-06 18:55:40,095 INFO L132 encePairwiseOnDemand]: 577/596 looper letters, 65 selfloop transitions, 19 changer transitions 11/640 dead transitions. [2021-12-06 18:55:40,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 640 transitions, 2125 flow [2021-12-06 18:55:40,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3684 transitions. [2021-12-06 18:55:40,099 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8830297219558965 [2021-12-06 18:55:40,099 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3684 transitions. [2021-12-06 18:55:40,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3684 transitions. [2021-12-06 18:55:40,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:40,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3684 transitions. [2021-12-06 18:55:40,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 526.2857142857143) internal successors, (3684), 7 states have internal predecessors, (3684), 0 states have call successors, (0), 0 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 18:55:40,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:40,103 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:40,103 INFO L186 Difference]: Start difference. First operand has 620 places, 612 transitions, 1819 flow. Second operand 7 states and 3684 transitions. [2021-12-06 18:55:40,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 640 transitions, 2125 flow [2021-12-06 18:55:40,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 621 places, 640 transitions, 2101 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 18:55:40,118 INFO L242 Difference]: Finished difference. Result has 622 places, 611 transitions, 1824 flow [2021-12-06 18:55:40,119 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1795, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=593, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1824, PETRI_PLACES=622, PETRI_TRANSITIONS=611} [2021-12-06 18:55:40,119 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 95 predicate places. [2021-12-06 18:55:40,119 INFO L470 AbstractCegarLoop]: Abstraction has has 622 places, 611 transitions, 1824 flow [2021-12-06 18:55:40,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 519.0) internal successors, (2595), 5 states have internal predecessors, (2595), 0 states have call successors, (0), 0 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 18:55:40,120 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:40,120 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:40,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-06 18:55:40,120 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:40,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:40,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2127604216, now seen corresponding path program 3 times [2021-12-06 18:55:40,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:40,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544777783] [2021-12-06 18:55:40,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:40,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:40,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:40,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544777783] [2021-12-06 18:55:40,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544777783] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:40,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:40,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:40,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090391387] [2021-12-06 18:55:40,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:40,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:40,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:40,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:40,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:40,184 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 514 out of 596 [2021-12-06 18:55:40,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 611 transitions, 1824 flow. Second operand has 5 states, 5 states have (on average 519.0) internal successors, (2595), 5 states have internal predecessors, (2595), 0 states have call successors, (0), 0 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 18:55:40,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:40,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 514 of 596 [2021-12-06 18:55:40,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:41,065 INFO L129 PetriNetUnfolder]: 748/4823 cut-off events. [2021-12-06 18:55:41,065 INFO L130 PetriNetUnfolder]: For 1631/1631 co-relation queries the response was YES. [2021-12-06 18:55:41,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7617 conditions, 4823 events. 748/4823 cut-off events. For 1631/1631 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 41905 event pairs, 221 based on Foata normal form. 2/4437 useless extension candidates. Maximal degree in co-relation 7574. Up to 717 conditions per place. [2021-12-06 18:55:41,104 INFO L132 encePairwiseOnDemand]: 579/596 looper letters, 55 selfloop transitions, 14 changer transitions 21/630 dead transitions. [2021-12-06 18:55:41,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 630 transitions, 2068 flow [2021-12-06 18:55:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:41,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3675 transitions. [2021-12-06 18:55:41,107 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8808724832214765 [2021-12-06 18:55:41,107 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3675 transitions. [2021-12-06 18:55:41,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3675 transitions. [2021-12-06 18:55:41,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:41,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3675 transitions. [2021-12-06 18:55:41,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 525.0) internal successors, (3675), 7 states have internal predecessors, (3675), 0 states have call successors, (0), 0 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 18:55:41,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:41,112 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:41,112 INFO L186 Difference]: Start difference. First operand has 622 places, 611 transitions, 1824 flow. Second operand 7 states and 3675 transitions. [2021-12-06 18:55:41,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 630 transitions, 2068 flow [2021-12-06 18:55:41,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 622 places, 630 transitions, 2039 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-12-06 18:55:41,127 INFO L242 Difference]: Finished difference. Result has 622 places, 601 transitions, 1754 flow [2021-12-06 18:55:41,128 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1789, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=610, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1754, PETRI_PLACES=622, PETRI_TRANSITIONS=601} [2021-12-06 18:55:41,128 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 95 predicate places. [2021-12-06 18:55:41,128 INFO L470 AbstractCegarLoop]: Abstraction has has 622 places, 601 transitions, 1754 flow [2021-12-06 18:55:41,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 519.0) internal successors, (2595), 5 states have internal predecessors, (2595), 0 states have call successors, (0), 0 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 18:55:41,129 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:41,129 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:41,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-06 18:55:41,129 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:41,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:41,129 INFO L85 PathProgramCache]: Analyzing trace with hash 134093937, now seen corresponding path program 1 times [2021-12-06 18:55:41,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:41,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772526246] [2021-12-06 18:55:41,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:41,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:41,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:41,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772526246] [2021-12-06 18:55:41,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772526246] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:41,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:41,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:55:41,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69247872] [2021-12-06 18:55:41,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:41,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:55:41,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:41,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:55:41,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:55:41,199 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 596 [2021-12-06 18:55:41,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 601 transitions, 1754 flow. Second operand has 5 states, 5 states have (on average 517.4) internal successors, (2587), 5 states have internal predecessors, (2587), 0 states have call successors, (0), 0 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 18:55:41,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:41,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 596 [2021-12-06 18:55:41,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:41,849 INFO L129 PetriNetUnfolder]: 499/3326 cut-off events. [2021-12-06 18:55:41,850 INFO L130 PetriNetUnfolder]: For 1856/1969 co-relation queries the response was YES. [2021-12-06 18:55:41,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5677 conditions, 3326 events. 499/3326 cut-off events. For 1856/1969 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 24933 event pairs, 229 based on Foata normal form. 7/3180 useless extension candidates. Maximal degree in co-relation 5637. Up to 531 conditions per place. [2021-12-06 18:55:41,878 INFO L132 encePairwiseOnDemand]: 580/596 looper letters, 67 selfloop transitions, 14 changer transitions 14/626 dead transitions. [2021-12-06 18:55:41,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 626 transitions, 2063 flow [2021-12-06 18:55:41,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:55:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:55:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3669 transitions. [2021-12-06 18:55:41,881 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8794343240651965 [2021-12-06 18:55:41,881 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3669 transitions. [2021-12-06 18:55:41,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3669 transitions. [2021-12-06 18:55:41,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:41,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3669 transitions. [2021-12-06 18:55:41,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 524.1428571428571) internal successors, (3669), 7 states have internal predecessors, (3669), 0 states have call successors, (0), 0 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 18:55:41,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:41,886 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 596.0) internal successors, (4768), 8 states have internal predecessors, (4768), 0 states have call successors, (0), 0 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 18:55:41,886 INFO L186 Difference]: Start difference. First operand has 622 places, 601 transitions, 1754 flow. Second operand 7 states and 3669 transitions. [2021-12-06 18:55:41,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 626 transitions, 2063 flow [2021-12-06 18:55:41,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 626 transitions, 1950 flow, removed 14 selfloop flow, removed 16 redundant places. [2021-12-06 18:55:41,900 INFO L242 Difference]: Finished difference. Result has 604 places, 593 transitions, 1656 flow [2021-12-06 18:55:41,900 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1667, PETRI_DIFFERENCE_MINUEND_PLACES=597, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1656, PETRI_PLACES=604, PETRI_TRANSITIONS=593} [2021-12-06 18:55:41,901 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 77 predicate places. [2021-12-06 18:55:41,901 INFO L470 AbstractCegarLoop]: Abstraction has has 604 places, 593 transitions, 1656 flow [2021-12-06 18:55:41,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 517.4) internal successors, (2587), 5 states have internal predecessors, (2587), 0 states have call successors, (0), 0 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 18:55:41,901 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:41,901 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:41,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-06 18:55:41,901 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:41,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:41,902 INFO L85 PathProgramCache]: Analyzing trace with hash -70398850, now seen corresponding path program 1 times [2021-12-06 18:55:41,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:41,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308567195] [2021-12-06 18:55:41,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:41,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:42,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:42,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308567195] [2021-12-06 18:55:42,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308567195] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:42,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:42,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:55:42,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327036736] [2021-12-06 18:55:42,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:42,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:55:42,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:42,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:55:42,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:55:42,038 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:55:42,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 593 transitions, 1656 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:55:42,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:42,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:55:42,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:46,476 INFO L129 PetriNetUnfolder]: 3263/15475 cut-off events. [2021-12-06 18:55:46,476 INFO L130 PetriNetUnfolder]: For 562/563 co-relation queries the response was YES. [2021-12-06 18:55:46,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23493 conditions, 15475 events. 3263/15475 cut-off events. For 562/563 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 165344 event pairs, 1461 based on Foata normal form. 0/14358 useless extension candidates. Maximal degree in co-relation 23463. Up to 3100 conditions per place. [2021-12-06 18:55:46,561 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 491 selfloop transitions, 91 changer transitions 3/1092 dead transitions. [2021-12-06 18:55:46,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 1092 transitions, 3969 flow [2021-12-06 18:55:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-12-06 18:55:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-12-06 18:55:46,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 29387 transitions. [2021-12-06 18:55:46,589 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8217841163310962 [2021-12-06 18:55:46,589 INFO L72 ComplementDD]: Start complementDD. Operand 60 states and 29387 transitions. [2021-12-06 18:55:46,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 29387 transitions. [2021-12-06 18:55:46,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:46,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 60 states and 29387 transitions. [2021-12-06 18:55:46,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 61 states, 60 states have (on average 489.78333333333336) internal successors, (29387), 60 states have internal predecessors, (29387), 0 states have call successors, (0), 0 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 18:55:46,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 61 states, 61 states have (on average 596.0) internal successors, (36356), 61 states have internal predecessors, (36356), 0 states have call successors, (0), 0 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 18:55:46,634 INFO L81 ComplementDD]: Finished complementDD. Result has 61 states, 61 states have (on average 596.0) internal successors, (36356), 61 states have internal predecessors, (36356), 0 states have call successors, (0), 0 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 18:55:46,634 INFO L186 Difference]: Start difference. First operand has 604 places, 593 transitions, 1656 flow. Second operand 60 states and 29387 transitions. [2021-12-06 18:55:46,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 1092 transitions, 3969 flow [2021-12-06 18:55:46,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 640 places, 1092 transitions, 3805 flow, removed 67 selfloop flow, removed 13 redundant places. [2021-12-06 18:55:46,659 INFO L242 Difference]: Finished difference. Result has 686 places, 672 transitions, 2202 flow [2021-12-06 18:55:46,660 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1612, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=570, PETRI_DIFFERENCE_SUBTRAHEND_STATES=60, PETRI_FLOW=2202, PETRI_PLACES=686, PETRI_TRANSITIONS=672} [2021-12-06 18:55:46,660 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 159 predicate places. [2021-12-06 18:55:46,660 INFO L470 AbstractCegarLoop]: Abstraction has has 686 places, 672 transitions, 2202 flow [2021-12-06 18:55:46,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:55:46,661 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:46,662 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:46,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-06 18:55:46,662 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:46,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:46,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1998660648, now seen corresponding path program 2 times [2021-12-06 18:55:46,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:46,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129626497] [2021-12-06 18:55:46,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:46,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:46,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:46,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129626497] [2021-12-06 18:55:46,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129626497] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:46,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:46,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:55:46,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46068594] [2021-12-06 18:55:46,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:46,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:55:46,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:46,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:55:46,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:55:46,818 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:55:46,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 672 transitions, 2202 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:55:46,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:46,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:55:46,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:51,522 INFO L129 PetriNetUnfolder]: 3218/15196 cut-off events. [2021-12-06 18:55:51,522 INFO L130 PetriNetUnfolder]: For 5614/5614 co-relation queries the response was YES. [2021-12-06 18:55:51,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26781 conditions, 15196 events. 3218/15196 cut-off events. For 5614/5614 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 161258 event pairs, 1461 based on Foata normal form. 2/13998 useless extension candidates. Maximal degree in co-relation 26713. Up to 3079 conditions per place. [2021-12-06 18:55:51,667 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 516 selfloop transitions, 138 changer transitions 3/1164 dead transitions. [2021-12-06 18:55:51,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 745 places, 1164 transitions, 5231 flow [2021-12-06 18:55:51,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-12-06 18:55:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-12-06 18:55:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 29379 transitions. [2021-12-06 18:55:51,683 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8215604026845638 [2021-12-06 18:55:51,683 INFO L72 ComplementDD]: Start complementDD. Operand 60 states and 29379 transitions. [2021-12-06 18:55:51,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 29379 transitions. [2021-12-06 18:55:51,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:51,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 60 states and 29379 transitions. [2021-12-06 18:55:51,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 61 states, 60 states have (on average 489.65) internal successors, (29379), 60 states have internal predecessors, (29379), 0 states have call successors, (0), 0 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 18:55:51,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 61 states, 61 states have (on average 596.0) internal successors, (36356), 61 states have internal predecessors, (36356), 0 states have call successors, (0), 0 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 18:55:51,725 INFO L81 ComplementDD]: Finished complementDD. Result has 61 states, 61 states have (on average 596.0) internal successors, (36356), 61 states have internal predecessors, (36356), 0 states have call successors, (0), 0 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 18:55:51,725 INFO L186 Difference]: Start difference. First operand has 686 places, 672 transitions, 2202 flow. Second operand 60 states and 29379 transitions. [2021-12-06 18:55:51,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 745 places, 1164 transitions, 5231 flow [2021-12-06 18:55:51,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 734 places, 1164 transitions, 4847 flow, removed 6 selfloop flow, removed 11 redundant places. [2021-12-06 18:55:51,774 INFO L242 Difference]: Finished difference. Result has 780 places, 752 transitions, 3146 flow [2021-12-06 18:55:51,775 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=2122, PETRI_DIFFERENCE_MINUEND_PLACES=675, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=603, PETRI_DIFFERENCE_SUBTRAHEND_STATES=60, PETRI_FLOW=3146, PETRI_PLACES=780, PETRI_TRANSITIONS=752} [2021-12-06 18:55:51,775 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 253 predicate places. [2021-12-06 18:55:51,775 INFO L470 AbstractCegarLoop]: Abstraction has has 780 places, 752 transitions, 3146 flow [2021-12-06 18:55:51,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:55:51,776 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:51,776 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:51,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-06 18:55:51,776 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:51,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:51,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1909265420, now seen corresponding path program 3 times [2021-12-06 18:55:51,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:51,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96261338] [2021-12-06 18:55:51,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:51,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:51,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:51,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96261338] [2021-12-06 18:55:51,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96261338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:51,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:51,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:55:51,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941374888] [2021-12-06 18:55:51,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:51,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:55:51,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:51,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:55:51,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:55:51,935 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:55:51,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 780 places, 752 transitions, 3146 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:55:51,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:51,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:55:51,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:55:57,559 INFO L129 PetriNetUnfolder]: 3399/15884 cut-off events. [2021-12-06 18:55:57,560 INFO L130 PetriNetUnfolder]: For 17069/17069 co-relation queries the response was YES. [2021-12-06 18:55:57,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31400 conditions, 15884 events. 3399/15884 cut-off events. For 17069/17069 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 171499 event pairs, 1434 based on Foata normal form. 2/14548 useless extension candidates. Maximal degree in co-relation 31286. Up to 3100 conditions per place. [2021-12-06 18:55:57,759 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 510 selfloop transitions, 167 changer transitions 3/1187 dead transitions. [2021-12-06 18:55:57,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 837 places, 1187 transitions, 7532 flow [2021-12-06 18:55:57,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-06 18:55:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-12-06 18:55:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 28365 transitions. [2021-12-06 18:55:57,779 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8205565841240453 [2021-12-06 18:55:57,779 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 28365 transitions. [2021-12-06 18:55:57,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 28365 transitions. [2021-12-06 18:55:57,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:55:57,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 28365 transitions. [2021-12-06 18:55:57,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 489.05172413793105) internal successors, (28365), 58 states have internal predecessors, (28365), 0 states have call successors, (0), 0 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 18:55:57,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:55:57,833 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:55:57,833 INFO L186 Difference]: Start difference. First operand has 780 places, 752 transitions, 3146 flow. Second operand 58 states and 28365 transitions. [2021-12-06 18:55:57,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 837 places, 1187 transitions, 7532 flow [2021-12-06 18:55:57,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 826 places, 1187 transitions, 6793 flow, removed 140 selfloop flow, removed 11 redundant places. [2021-12-06 18:55:57,920 INFO L242 Difference]: Finished difference. Result has 870 places, 829 transitions, 4191 flow [2021-12-06 18:55:57,921 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=2722, PETRI_DIFFERENCE_MINUEND_PLACES=769, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=4191, PETRI_PLACES=870, PETRI_TRANSITIONS=829} [2021-12-06 18:55:57,921 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 343 predicate places. [2021-12-06 18:55:57,921 INFO L470 AbstractCegarLoop]: Abstraction has has 870 places, 829 transitions, 4191 flow [2021-12-06 18:55:57,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:55:57,922 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:55:57,923 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:57,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-06 18:55:57,923 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:55:57,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:55:57,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2003560772, now seen corresponding path program 4 times [2021-12-06 18:55:57,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:55:57,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040833796] [2021-12-06 18:55:57,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:55:57,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:55:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:55:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:55:58,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:55:58,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040833796] [2021-12-06 18:55:58,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040833796] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:55:58,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:55:58,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:55:58,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340413190] [2021-12-06 18:55:58,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:55:58,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:55:58,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:55:58,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:55:58,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:55:58,081 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:55:58,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 870 places, 829 transitions, 4191 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:55:58,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:55:58,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:55:58,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:56:04,102 INFO L129 PetriNetUnfolder]: 3456/16318 cut-off events. [2021-12-06 18:56:04,103 INFO L130 PetriNetUnfolder]: For 37279/37279 co-relation queries the response was YES. [2021-12-06 18:56:04,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36434 conditions, 16318 events. 3456/16318 cut-off events. For 37279/37279 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 176424 event pairs, 1474 based on Foata normal form. 2/15094 useless extension candidates. Maximal degree in co-relation 36276. Up to 3079 conditions per place. [2021-12-06 18:56:04,342 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 569 selfloop transitions, 206 changer transitions 3/1285 dead transitions. [2021-12-06 18:56:04,342 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 927 places, 1285 transitions, 9487 flow [2021-12-06 18:56:04,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-06 18:56:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-12-06 18:56:04,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 28362 transitions. [2021-12-06 18:56:04,354 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8204697986577181 [2021-12-06 18:56:04,355 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 28362 transitions. [2021-12-06 18:56:04,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 28362 transitions. [2021-12-06 18:56:04,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:56:04,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 28362 transitions. [2021-12-06 18:56:04,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 489.0) internal successors, (28362), 58 states have internal predecessors, (28362), 0 states have call successors, (0), 0 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 18:56:04,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:56:04,392 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:56:04,392 INFO L186 Difference]: Start difference. First operand has 870 places, 829 transitions, 4191 flow. Second operand 58 states and 28362 transitions. [2021-12-06 18:56:04,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 927 places, 1285 transitions, 9487 flow [2021-12-06 18:56:04,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 922 places, 1285 transitions, 8557 flow, removed 403 selfloop flow, removed 5 redundant places. [2021-12-06 18:56:04,611 INFO L242 Difference]: Finished difference. Result has 966 places, 906 transitions, 5450 flow [2021-12-06 18:56:04,612 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=3551, PETRI_DIFFERENCE_MINUEND_PLACES=865, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=829, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=688, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=5450, PETRI_PLACES=966, PETRI_TRANSITIONS=906} [2021-12-06 18:56:04,612 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 439 predicate places. [2021-12-06 18:56:04,612 INFO L470 AbstractCegarLoop]: Abstraction has has 966 places, 906 transitions, 5450 flow [2021-12-06 18:56:04,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:56:04,613 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:56:04,613 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:56:04,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-06 18:56:04,613 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:56:04,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:04,614 INFO L85 PathProgramCache]: Analyzing trace with hash 102389314, now seen corresponding path program 5 times [2021-12-06 18:56:04,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:04,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481605348] [2021-12-06 18:56:04,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:04,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:04,818 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:56:04,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:56:04,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481605348] [2021-12-06 18:56:04,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481605348] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:56:04,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:56:04,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:56:04,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757153867] [2021-12-06 18:56:04,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:56:04,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:56:04,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:56:04,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:56:04,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:56:04,827 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:56:04,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 906 transitions, 5450 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:56:04,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:56:04,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:56:04,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:56:12,082 INFO L129 PetriNetUnfolder]: 3676/17045 cut-off events. [2021-12-06 18:56:12,082 INFO L130 PetriNetUnfolder]: For 66191/66191 co-relation queries the response was YES. [2021-12-06 18:56:12,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42224 conditions, 17045 events. 3676/17045 cut-off events. For 66191/66191 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 185542 event pairs, 1553 based on Foata normal form. 2/15691 useless extension candidates. Maximal degree in co-relation 42023. Up to 3100 conditions per place. [2021-12-06 18:56:12,401 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 629 selfloop transitions, 204 changer transitions 3/1343 dead transitions. [2021-12-06 18:56:12,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1343 transitions, 12289 flow [2021-12-06 18:56:12,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-06 18:56:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-12-06 18:56:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 28349 transitions. [2021-12-06 18:56:12,414 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8200937283036335 [2021-12-06 18:56:12,414 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 28349 transitions. [2021-12-06 18:56:12,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 28349 transitions. [2021-12-06 18:56:12,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:56:12,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 28349 transitions. [2021-12-06 18:56:12,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 488.7758620689655) internal successors, (28349), 58 states have internal predecessors, (28349), 0 states have call successors, (0), 0 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 18:56:12,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:56:12,453 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:56:12,453 INFO L186 Difference]: Start difference. First operand has 966 places, 906 transitions, 5450 flow. Second operand 58 states and 28349 transitions. [2021-12-06 18:56:12,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1343 transitions, 12289 flow [2021-12-06 18:56:12,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1018 places, 1343 transitions, 10931 flow, removed 607 selfloop flow, removed 5 redundant places. [2021-12-06 18:56:12,908 INFO L242 Difference]: Finished difference. Result has 1063 places, 984 transitions, 6850 flow [2021-12-06 18:56:12,909 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=4508, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=906, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=766, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=6850, PETRI_PLACES=1063, PETRI_TRANSITIONS=984} [2021-12-06 18:56:12,909 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 536 predicate places. [2021-12-06 18:56:12,909 INFO L470 AbstractCegarLoop]: Abstraction has has 1063 places, 984 transitions, 6850 flow [2021-12-06 18:56:12,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:56:12,910 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:56:12,910 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:56:12,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-06 18:56:12,911 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:56:12,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:12,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1378121062, now seen corresponding path program 6 times [2021-12-06 18:56:12,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:12,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096487203] [2021-12-06 18:56:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:12,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:13,049 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:56:13,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:56:13,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096487203] [2021-12-06 18:56:13,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096487203] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:56:13,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:56:13,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:56:13,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915132782] [2021-12-06 18:56:13,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:56:13,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:56:13,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:56:13,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:56:13,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:56:13,055 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:56:13,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1063 places, 984 transitions, 6850 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:56:13,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:56:13,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:56:13,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:56:21,239 INFO L129 PetriNetUnfolder]: 3725/17547 cut-off events. [2021-12-06 18:56:21,239 INFO L130 PetriNetUnfolder]: For 108344/108344 co-relation queries the response was YES. [2021-12-06 18:56:21,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48971 conditions, 17547 events. 3725/17547 cut-off events. For 108344/108344 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 192577 event pairs, 1517 based on Foata normal form. 2/16298 useless extension candidates. Maximal degree in co-relation 48726. Up to 3079 conditions per place. [2021-12-06 18:56:21,601 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 699 selfloop transitions, 235 changer transitions 3/1444 dead transitions. [2021-12-06 18:56:21,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1120 places, 1444 transitions, 14804 flow [2021-12-06 18:56:21,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-06 18:56:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-12-06 18:56:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 28347 transitions. [2021-12-06 18:56:21,612 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8200358713260819 [2021-12-06 18:56:21,613 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 28347 transitions. [2021-12-06 18:56:21,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 28347 transitions. [2021-12-06 18:56:21,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:56:21,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 28347 transitions. [2021-12-06 18:56:21,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 488.7413793103448) internal successors, (28347), 58 states have internal predecessors, (28347), 0 states have call successors, (0), 0 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 18:56:21,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:56:21,651 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:56:21,651 INFO L186 Difference]: Start difference. First operand has 1063 places, 984 transitions, 6850 flow. Second operand 58 states and 28347 transitions. [2021-12-06 18:56:21,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1120 places, 1444 transitions, 14804 flow [2021-12-06 18:56:22,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1115 places, 1444 transitions, 13020 flow, removed 820 selfloop flow, removed 5 redundant places. [2021-12-06 18:56:22,423 INFO L242 Difference]: Finished difference. Result has 1160 places, 1062 transitions, 8336 flow [2021-12-06 18:56:22,424 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=5572, PETRI_DIFFERENCE_MINUEND_PLACES=1058, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=984, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=813, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=8336, PETRI_PLACES=1160, PETRI_TRANSITIONS=1062} [2021-12-06 18:56:22,425 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 633 predicate places. [2021-12-06 18:56:22,425 INFO L470 AbstractCegarLoop]: Abstraction has has 1160 places, 1062 transitions, 8336 flow [2021-12-06 18:56:22,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:56:22,426 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:56:22,426 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:56:22,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-12-06 18:56:22,426 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:56:22,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:22,426 INFO L85 PathProgramCache]: Analyzing trace with hash -125973380, now seen corresponding path program 7 times [2021-12-06 18:56:22,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:22,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981660254] [2021-12-06 18:56:22,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:22,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:56:22,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:56:22,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981660254] [2021-12-06 18:56:22,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981660254] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:56:22,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:56:22,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:56:22,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610403986] [2021-12-06 18:56:22,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:56:22,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:56:22,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:56:22,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:56:22,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:56:22,578 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:56:22,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1160 places, 1062 transitions, 8336 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:56:22,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:56:22,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:56:22,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:56:31,434 INFO L129 PetriNetUnfolder]: 3939/18157 cut-off events. [2021-12-06 18:56:31,434 INFO L130 PetriNetUnfolder]: For 164417/164417 co-relation queries the response was YES. [2021-12-06 18:56:31,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56249 conditions, 18157 events. 3939/18157 cut-off events. For 164417/164417 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 200828 event pairs, 1601 based on Foata normal form. 2/16804 useless extension candidates. Maximal degree in co-relation 55960. Up to 3100 conditions per place. [2021-12-06 18:56:32,046 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 785 selfloop transitions, 203 changer transitions 3/1498 dead transitions. [2021-12-06 18:56:32,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1217 places, 1498 transitions, 17729 flow [2021-12-06 18:56:32,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-06 18:56:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-12-06 18:56:32,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 28334 transitions. [2021-12-06 18:56:32,065 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8196598009719972 [2021-12-06 18:56:32,065 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 28334 transitions. [2021-12-06 18:56:32,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 28334 transitions. [2021-12-06 18:56:32,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:56:32,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 28334 transitions. [2021-12-06 18:56:32,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 488.51724137931035) internal successors, (28334), 58 states have internal predecessors, (28334), 0 states have call successors, (0), 0 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 18:56:32,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:56:32,117 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:56:32,117 INFO L186 Difference]: Start difference. First operand has 1160 places, 1062 transitions, 8336 flow. Second operand 58 states and 28334 transitions. [2021-12-06 18:56:32,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1217 places, 1498 transitions, 17729 flow [2021-12-06 18:56:33,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1212 places, 1498 transitions, 15543 flow, removed 1011 selfloop flow, removed 5 redundant places. [2021-12-06 18:56:33,385 INFO L242 Difference]: Finished difference. Result has 1258 places, 1141 transitions, 9891 flow [2021-12-06 18:56:33,386 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=6732, PETRI_DIFFERENCE_MINUEND_PLACES=1155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=922, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=9891, PETRI_PLACES=1258, PETRI_TRANSITIONS=1141} [2021-12-06 18:56:33,386 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 731 predicate places. [2021-12-06 18:56:33,386 INFO L470 AbstractCegarLoop]: Abstraction has has 1258 places, 1141 transitions, 9891 flow [2021-12-06 18:56:33,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:56:33,387 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:56:33,388 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:56:33,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-12-06 18:56:33,388 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:56:33,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:33,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2073416232, now seen corresponding path program 8 times [2021-12-06 18:56:33,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:33,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033085647] [2021-12-06 18:56:33,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:33,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:56:33,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:56:33,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033085647] [2021-12-06 18:56:33,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033085647] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:56:33,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:56:33,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:56:33,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109923279] [2021-12-06 18:56:33,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:56:33,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:56:33,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:56:33,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:56:33,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:56:33,551 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:56:33,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1258 places, 1141 transitions, 9891 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:56:33,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:56:33,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:56:33,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:56:43,180 INFO L129 PetriNetUnfolder]: 4041/18768 cut-off events. [2021-12-06 18:56:43,180 INFO L130 PetriNetUnfolder]: For 235480/235480 co-relation queries the response was YES. [2021-12-06 18:56:43,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64359 conditions, 18768 events. 4041/18768 cut-off events. For 235480/235480 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 208498 event pairs, 1611 based on Foata normal form. 2/17511 useless extension candidates. Maximal degree in co-relation 64025. Up to 3079 conditions per place. [2021-12-06 18:56:43,703 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 864 selfloop transitions, 226 changer transitions 3/1600 dead transitions. [2021-12-06 18:56:43,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1315 places, 1600 transitions, 20457 flow [2021-12-06 18:56:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-06 18:56:43,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-12-06 18:56:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 28333 transitions. [2021-12-06 18:56:43,715 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8196308724832215 [2021-12-06 18:56:43,715 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 28333 transitions. [2021-12-06 18:56:43,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 28333 transitions. [2021-12-06 18:56:43,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:56:43,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 28333 transitions. [2021-12-06 18:56:43,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 488.5) internal successors, (28333), 58 states have internal predecessors, (28333), 0 states have call successors, (0), 0 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 18:56:43,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:56:43,753 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:56:43,753 INFO L186 Difference]: Start difference. First operand has 1258 places, 1141 transitions, 9891 flow. Second operand 58 states and 28333 transitions. [2021-12-06 18:56:43,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1315 places, 1600 transitions, 20457 flow [2021-12-06 18:56:45,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1310 places, 1600 transitions, 17783 flow, removed 1255 selfloop flow, removed 5 redundant places. [2021-12-06 18:56:45,781 INFO L242 Difference]: Finished difference. Result has 1356 places, 1220 transitions, 11492 flow [2021-12-06 18:56:45,782 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=7919, PETRI_DIFFERENCE_MINUEND_PLACES=1253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=978, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=11492, PETRI_PLACES=1356, PETRI_TRANSITIONS=1220} [2021-12-06 18:56:45,782 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 829 predicate places. [2021-12-06 18:56:45,782 INFO L470 AbstractCegarLoop]: Abstraction has has 1356 places, 1220 transitions, 11492 flow [2021-12-06 18:56:45,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:56:45,783 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:56:45,784 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:56:45,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-12-06 18:56:45,784 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:56:45,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:45,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1117320100, now seen corresponding path program 9 times [2021-12-06 18:56:45,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:45,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075525720] [2021-12-06 18:56:45,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:45,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:56:45,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:56:45,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075525720] [2021-12-06 18:56:45,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075525720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:56:45,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:56:45,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:56:45,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342465165] [2021-12-06 18:56:45,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:56:45,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:56:45,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:56:45,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:56:45,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:56:45,945 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:56:45,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1356 places, 1220 transitions, 11492 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:56:45,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:56:45,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:56:45,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:56:57,078 INFO L129 PetriNetUnfolder]: 4357/20134 cut-off events. [2021-12-06 18:56:57,078 INFO L130 PetriNetUnfolder]: For 328217/328217 co-relation queries the response was YES. [2021-12-06 18:56:57,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73628 conditions, 20134 events. 4357/20134 cut-off events. For 328217/328217 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 225953 event pairs, 1864 based on Foata normal form. 2/18656 useless extension candidates. Maximal degree in co-relation 73249. Up to 3100 conditions per place. [2021-12-06 18:56:57,876 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 983 selfloop transitions, 164 changer transitions 3/1657 dead transitions. [2021-12-06 18:56:57,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1414 places, 1657 transitions, 23392 flow [2021-12-06 18:56:57,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-12-06 18:56:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-12-06 18:56:57,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 28808 transitions. [2021-12-06 18:56:57,888 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8192469571152314 [2021-12-06 18:56:57,888 INFO L72 ComplementDD]: Start complementDD. Operand 59 states and 28808 transitions. [2021-12-06 18:56:57,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 28808 transitions. [2021-12-06 18:56:57,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:56:57,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 59 states and 28808 transitions. [2021-12-06 18:56:57,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 60 states, 59 states have (on average 488.271186440678) internal successors, (28808), 59 states have internal predecessors, (28808), 0 states have call successors, (0), 0 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 18:56:57,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 60 states, 60 states have (on average 596.0) internal successors, (35760), 60 states have internal predecessors, (35760), 0 states have call successors, (0), 0 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 18:56:57,927 INFO L81 ComplementDD]: Finished complementDD. Result has 60 states, 60 states have (on average 596.0) internal successors, (35760), 60 states have internal predecessors, (35760), 0 states have call successors, (0), 0 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 18:56:57,927 INFO L186 Difference]: Start difference. First operand has 1356 places, 1220 transitions, 11492 flow. Second operand 59 states and 28808 transitions. [2021-12-06 18:56:57,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1414 places, 1657 transitions, 23392 flow [2021-12-06 18:57:00,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1409 places, 1657 transitions, 20374 flow, removed 1417 selfloop flow, removed 5 redundant places. [2021-12-06 18:57:00,778 INFO L242 Difference]: Finished difference. Result has 1456 places, 1300 transitions, 13045 flow [2021-12-06 18:57:00,779 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=9170, PETRI_DIFFERENCE_MINUEND_PLACES=1351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=59, PETRI_FLOW=13045, PETRI_PLACES=1456, PETRI_TRANSITIONS=1300} [2021-12-06 18:57:00,780 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 929 predicate places. [2021-12-06 18:57:00,780 INFO L470 AbstractCegarLoop]: Abstraction has has 1456 places, 1300 transitions, 13045 flow [2021-12-06 18:57:00,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:57:00,780 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:57:00,781 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:57:00,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-12-06 18:57:00,781 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:57:00,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:00,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1932896218, now seen corresponding path program 10 times [2021-12-06 18:57:00,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:00,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454950708] [2021-12-06 18:57:00,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:00,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:00,921 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:57:00,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:00,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454950708] [2021-12-06 18:57:00,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454950708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:00,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:00,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:57:00,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734129007] [2021-12-06 18:57:00,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:00,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:57:00,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:00,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:57:00,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:57:00,927 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:57:00,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1456 places, 1300 transitions, 13045 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:57:00,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:57:00,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:57:00,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:57:13,639 INFO L129 PetriNetUnfolder]: 4403/20232 cut-off events. [2021-12-06 18:57:13,639 INFO L130 PetriNetUnfolder]: For 435276/435276 co-relation queries the response was YES. [2021-12-06 18:57:14,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82641 conditions, 20232 events. 4403/20232 cut-off events. For 435276/435276 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 228558 event pairs, 1764 based on Foata normal form. 2/18949 useless extension candidates. Maximal degree in co-relation 82216. Up to 3079 conditions per place. [2021-12-06 18:57:14,474 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1068 selfloop transitions, 179 changer transitions 3/1757 dead transitions. [2021-12-06 18:57:14,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1514 places, 1757 transitions, 26077 flow [2021-12-06 18:57:14,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-12-06 18:57:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-12-06 18:57:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 28807 transitions. [2021-12-06 18:57:14,486 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8192185189398248 [2021-12-06 18:57:14,486 INFO L72 ComplementDD]: Start complementDD. Operand 59 states and 28807 transitions. [2021-12-06 18:57:14,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 28807 transitions. [2021-12-06 18:57:14,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:57:14,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 59 states and 28807 transitions. [2021-12-06 18:57:14,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 60 states, 59 states have (on average 488.2542372881356) internal successors, (28807), 59 states have internal predecessors, (28807), 0 states have call successors, (0), 0 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 18:57:14,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 60 states, 60 states have (on average 596.0) internal successors, (35760), 60 states have internal predecessors, (35760), 0 states have call successors, (0), 0 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 18:57:14,524 INFO L81 ComplementDD]: Finished complementDD. Result has 60 states, 60 states have (on average 596.0) internal successors, (35760), 60 states have internal predecessors, (35760), 0 states have call successors, (0), 0 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 18:57:14,525 INFO L186 Difference]: Start difference. First operand has 1456 places, 1300 transitions, 13045 flow. Second operand 59 states and 28807 transitions. [2021-12-06 18:57:14,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1514 places, 1757 transitions, 26077 flow [2021-12-06 18:57:19,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1509 places, 1757 transitions, 22533 flow, removed 1680 selfloop flow, removed 5 redundant places. [2021-12-06 18:57:19,228 INFO L242 Difference]: Finished difference. Result has 1556 places, 1380 transitions, 14600 flow [2021-12-06 18:57:19,229 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=10323, PETRI_DIFFERENCE_MINUEND_PLACES=1451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=59, PETRI_FLOW=14600, PETRI_PLACES=1556, PETRI_TRANSITIONS=1380} [2021-12-06 18:57:19,229 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1029 predicate places. [2021-12-06 18:57:19,229 INFO L470 AbstractCegarLoop]: Abstraction has has 1556 places, 1380 transitions, 14600 flow [2021-12-06 18:57:19,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:57:19,230 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:57:19,230 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:57:19,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-12-06 18:57:19,231 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:57:19,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:19,231 INFO L85 PathProgramCache]: Analyzing trace with hash -709051800, now seen corresponding path program 11 times [2021-12-06 18:57:19,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:19,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383646433] [2021-12-06 18:57:19,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:19,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:57:19,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:19,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383646433] [2021-12-06 18:57:19,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383646433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:19,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:19,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:57:19,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521757372] [2021-12-06 18:57:19,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:19,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:57:19,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:19,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:57:19,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:57:19,369 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:57:19,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1556 places, 1380 transitions, 14600 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:57:19,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:57:19,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:57:19,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:57:33,645 INFO L129 PetriNetUnfolder]: 4692/21162 cut-off events. [2021-12-06 18:57:33,645 INFO L130 PetriNetUnfolder]: For 578318/578322 co-relation queries the response was YES. [2021-12-06 18:57:34,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93437 conditions, 21162 events. 4692/21162 cut-off events. For 578318/578322 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 242340 event pairs, 1903 based on Foata normal form. 2/19732 useless extension candidates. Maximal degree in co-relation 92966. Up to 3100 conditions per place. [2021-12-06 18:57:34,616 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1128 selfloop transitions, 162 changer transitions 3/1800 dead transitions. [2021-12-06 18:57:34,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1614 places, 1800 transitions, 28696 flow [2021-12-06 18:57:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-12-06 18:57:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-12-06 18:57:34,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 28793 transitions. [2021-12-06 18:57:34,629 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8188203844841315 [2021-12-06 18:57:34,629 INFO L72 ComplementDD]: Start complementDD. Operand 59 states and 28793 transitions. [2021-12-06 18:57:34,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 28793 transitions. [2021-12-06 18:57:34,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:57:34,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 59 states and 28793 transitions. [2021-12-06 18:57:34,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 60 states, 59 states have (on average 488.0169491525424) internal successors, (28793), 59 states have internal predecessors, (28793), 0 states have call successors, (0), 0 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 18:57:34,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 60 states, 60 states have (on average 596.0) internal successors, (35760), 60 states have internal predecessors, (35760), 0 states have call successors, (0), 0 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 18:57:34,673 INFO L81 ComplementDD]: Finished complementDD. Result has 60 states, 60 states have (on average 596.0) internal successors, (35760), 60 states have internal predecessors, (35760), 0 states have call successors, (0), 0 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 18:57:34,673 INFO L186 Difference]: Start difference. First operand has 1556 places, 1380 transitions, 14600 flow. Second operand 59 states and 28793 transitions. [2021-12-06 18:57:34,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1614 places, 1800 transitions, 28696 flow [2021-12-06 18:57:41,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1609 places, 1800 transitions, 24910 flow, removed 1791 selfloop flow, removed 5 redundant places. [2021-12-06 18:57:41,467 INFO L242 Difference]: Finished difference. Result has 1657 places, 1461 transitions, 16204 flow [2021-12-06 18:57:41,468 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=11504, PETRI_DIFFERENCE_MINUEND_PLACES=1551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=59, PETRI_FLOW=16204, PETRI_PLACES=1657, PETRI_TRANSITIONS=1461} [2021-12-06 18:57:41,469 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1130 predicate places. [2021-12-06 18:57:41,469 INFO L470 AbstractCegarLoop]: Abstraction has has 1657 places, 1461 transitions, 16204 flow [2021-12-06 18:57:41,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:57:41,470 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:57:41,470 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:57:41,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-12-06 18:57:41,470 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:57:41,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:41,470 INFO L85 PathProgramCache]: Analyzing trace with hash -931781678, now seen corresponding path program 12 times [2021-12-06 18:57:41,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:41,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135792948] [2021-12-06 18:57:41,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:41,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:57:41,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:41,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135792948] [2021-12-06 18:57:41,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135792948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:41,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:41,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:57:41,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636304090] [2021-12-06 18:57:41,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:41,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:57:41,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:41,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:57:41,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:57:41,602 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:57:41,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1657 places, 1461 transitions, 16204 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:57:41,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:57:41,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:57:41,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:57:57,091 INFO L129 PetriNetUnfolder]: 4858/21997 cut-off events. [2021-12-06 18:57:57,091 INFO L130 PetriNetUnfolder]: For 737215/737225 co-relation queries the response was YES. [2021-12-06 18:57:58,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105255 conditions, 21997 events. 4858/21997 cut-off events. For 737215/737225 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 253782 event pairs, 1903 based on Foata normal form. 2/20680 useless extension candidates. Maximal degree in co-relation 104737. Up to 3079 conditions per place. [2021-12-06 18:57:58,268 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1214 selfloop transitions, 173 changer transitions 3/1897 dead transitions. [2021-12-06 18:57:58,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1715 places, 1897 transitions, 31361 flow [2021-12-06 18:57:58,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-12-06 18:57:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-12-06 18:57:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 28793 transitions. [2021-12-06 18:57:58,281 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8188203844841315 [2021-12-06 18:57:58,281 INFO L72 ComplementDD]: Start complementDD. Operand 59 states and 28793 transitions. [2021-12-06 18:57:58,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 28793 transitions. [2021-12-06 18:57:58,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:57:58,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 59 states and 28793 transitions. [2021-12-06 18:57:58,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 60 states, 59 states have (on average 488.0169491525424) internal successors, (28793), 59 states have internal predecessors, (28793), 0 states have call successors, (0), 0 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 18:57:58,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 60 states, 60 states have (on average 596.0) internal successors, (35760), 60 states have internal predecessors, (35760), 0 states have call successors, (0), 0 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 18:57:58,319 INFO L81 ComplementDD]: Finished complementDD. Result has 60 states, 60 states have (on average 596.0) internal successors, (35760), 60 states have internal predecessors, (35760), 0 states have call successors, (0), 0 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 18:57:58,320 INFO L186 Difference]: Start difference. First operand has 1657 places, 1461 transitions, 16204 flow. Second operand 59 states and 28793 transitions. [2021-12-06 18:57:58,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1715 places, 1897 transitions, 31361 flow [2021-12-06 18:58:08,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1711 places, 1897 transitions, 27107 flow, removed 2062 selfloop flow, removed 4 redundant places. [2021-12-06 18:58:08,390 INFO L242 Difference]: Finished difference. Result has 1759 places, 1542 transitions, 17826 flow [2021-12-06 18:58:08,391 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=12716, PETRI_DIFFERENCE_MINUEND_PLACES=1653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=59, PETRI_FLOW=17826, PETRI_PLACES=1759, PETRI_TRANSITIONS=1542} [2021-12-06 18:58:08,392 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1232 predicate places. [2021-12-06 18:58:08,392 INFO L470 AbstractCegarLoop]: Abstraction has has 1759 places, 1542 transitions, 17826 flow [2021-12-06 18:58:08,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:58:08,393 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:58:08,393 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:58:08,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-12-06 18:58:08,393 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:58:08,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:08,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1453746146, now seen corresponding path program 13 times [2021-12-06 18:58:08,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:58:08,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154486954] [2021-12-06 18:58:08,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:08,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:58:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:58:08,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:58:08,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154486954] [2021-12-06 18:58:08,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154486954] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:08,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:08,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:58:08,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464262584] [2021-12-06 18:58:08,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:08,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:58:08,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:58:08,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:58:08,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:58:08,541 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:58:08,545 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1759 places, 1542 transitions, 17826 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:58:08,545 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:58:08,545 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:58:08,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:58:25,367 INFO L129 PetriNetUnfolder]: 5023/23123 cut-off events. [2021-12-06 18:58:25,367 INFO L130 PetriNetUnfolder]: For 823103/823119 co-relation queries the response was YES. [2021-12-06 18:58:26,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108241 conditions, 23123 events. 5023/23123 cut-off events. For 823103/823119 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 268740 event pairs, 1777 based on Foata normal form. 8/21573 useless extension candidates. Maximal degree in co-relation 107676. Up to 3100 conditions per place. [2021-12-06 18:58:26,693 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1079 selfloop transitions, 542 changer transitions 3/2131 dead transitions. [2021-12-06 18:58:26,693 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1813 places, 2131 transitions, 35440 flow [2021-12-06 18:58:26,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-12-06 18:58:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-12-06 18:58:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 26907 transitions. [2021-12-06 18:58:26,705 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8208358755338621 [2021-12-06 18:58:26,705 INFO L72 ComplementDD]: Start complementDD. Operand 55 states and 26907 transitions. [2021-12-06 18:58:26,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 26907 transitions. [2021-12-06 18:58:26,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:58:26,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 55 states and 26907 transitions. [2021-12-06 18:58:26,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 56 states, 55 states have (on average 489.2181818181818) internal successors, (26907), 55 states have internal predecessors, (26907), 0 states have call successors, (0), 0 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 18:58:26,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 56 states, 56 states have (on average 596.0) internal successors, (33376), 56 states have internal predecessors, (33376), 0 states have call successors, (0), 0 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 18:58:26,741 INFO L81 ComplementDD]: Finished complementDD. Result has 56 states, 56 states have (on average 596.0) internal successors, (33376), 56 states have internal predecessors, (33376), 0 states have call successors, (0), 0 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 18:58:26,741 INFO L186 Difference]: Start difference. First operand has 1759 places, 1542 transitions, 17826 flow. Second operand 55 states and 26907 transitions. [2021-12-06 18:58:26,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1813 places, 2131 transitions, 35440 flow [2021-12-06 18:58:36,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1809 places, 2131 transitions, 29030 flow, removed 3140 selfloop flow, removed 4 redundant places. [2021-12-06 18:58:36,511 INFO L242 Difference]: Finished difference. Result has 1849 places, 1611 transitions, 17873 flow [2021-12-06 18:58:36,513 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=13956, PETRI_DIFFERENCE_MINUEND_PLACES=1755, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=473, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=55, PETRI_FLOW=17873, PETRI_PLACES=1849, PETRI_TRANSITIONS=1611} [2021-12-06 18:58:36,514 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1322 predicate places. [2021-12-06 18:58:36,514 INFO L470 AbstractCegarLoop]: Abstraction has has 1849 places, 1611 transitions, 17873 flow [2021-12-06 18:58:36,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:58:36,515 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:58:36,515 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:58:36,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-12-06 18:58:36,515 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:58:36,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:36,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1129447238, now seen corresponding path program 14 times [2021-12-06 18:58:36,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:58:36,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877865150] [2021-12-06 18:58:36,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:36,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:58:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:58:36,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:58:36,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877865150] [2021-12-06 18:58:36,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877865150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:36,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:36,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:58:36,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879368576] [2021-12-06 18:58:36,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:36,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:58:36,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:58:36,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:58:36,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:58:36,664 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:58:36,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1849 places, 1611 transitions, 17873 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:58:36,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:58:36,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:58:36,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:58:55,029 INFO L129 PetriNetUnfolder]: 5393/24036 cut-off events. [2021-12-06 18:58:55,030 INFO L130 PetriNetUnfolder]: For 1206226/1206264 co-relation queries the response was YES. [2021-12-06 18:58:56,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134667 conditions, 24036 events. 5393/24036 cut-off events. For 1206226/1206264 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 281334 event pairs, 2355 based on Foata normal form. 5/22617 useless extension candidates. Maximal degree in co-relation 134063. Up to 3341 conditions per place. [2021-12-06 18:58:56,569 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1357 selfloop transitions, 150 changer transitions 3/2017 dead transitions. [2021-12-06 18:58:56,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1906 places, 2017 transitions, 35061 flow [2021-12-06 18:58:56,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-06 18:58:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-12-06 18:58:56,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 28318 transitions. [2021-12-06 18:58:56,582 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8191969451515853 [2021-12-06 18:58:56,582 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 28318 transitions. [2021-12-06 18:58:56,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 28318 transitions. [2021-12-06 18:58:56,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:58:56,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 28318 transitions. [2021-12-06 18:58:56,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 488.2413793103448) internal successors, (28318), 58 states have internal predecessors, (28318), 0 states have call successors, (0), 0 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 18:58:56,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:58:56,620 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 18:58:56,620 INFO L186 Difference]: Start difference. First operand has 1849 places, 1611 transitions, 17873 flow. Second operand 58 states and 28318 transitions. [2021-12-06 18:58:56,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1906 places, 2017 transitions, 35061 flow [2021-12-06 18:59:12,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1900 places, 2017 transitions, 32632 flow, removed 997 selfloop flow, removed 6 redundant places. [2021-12-06 18:59:12,237 INFO L242 Difference]: Finished difference. Result has 1946 places, 1695 transitions, 21597 flow [2021-12-06 18:59:12,238 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=15587, PETRI_DIFFERENCE_MINUEND_PLACES=1843, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1611, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=21597, PETRI_PLACES=1946, PETRI_TRANSITIONS=1695} [2021-12-06 18:59:12,238 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1419 predicate places. [2021-12-06 18:59:12,238 INFO L470 AbstractCegarLoop]: Abstraction has has 1946 places, 1695 transitions, 21597 flow [2021-12-06 18:59:12,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:59:12,239 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:59:12,240 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:59:12,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-12-06 18:59:12,240 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:59:12,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:59:12,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1579267606, now seen corresponding path program 15 times [2021-12-06 18:59:12,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:59:12,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400755733] [2021-12-06 18:59:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:59:12,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:59:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:59:12,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:59:12,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400755733] [2021-12-06 18:59:12,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400755733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:59:12,367 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:59:12,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:59:12,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415898776] [2021-12-06 18:59:12,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:59:12,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:59:12,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:59:12,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:59:12,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:59:12,373 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:59:12,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1946 places, 1695 transitions, 21597 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:59:12,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:59:12,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:59:12,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:59:31,535 INFO L129 PetriNetUnfolder]: 5498/24658 cut-off events. [2021-12-06 18:59:31,536 INFO L130 PetriNetUnfolder]: For 1379596/1379638 co-relation queries the response was YES. [2021-12-06 18:59:33,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141515 conditions, 24658 events. 5498/24658 cut-off events. For 1379596/1379638 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 291454 event pairs, 1803 based on Foata normal form. 10/23081 useless extension candidates. Maximal degree in co-relation 140866. Up to 3100 conditions per place. [2021-12-06 18:59:33,439 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1240 selfloop transitions, 460 changer transitions 3/2210 dead transitions. [2021-12-06 18:59:33,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1975 places, 2210 transitions, 39095 flow [2021-12-06 18:59:33,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-06 18:59:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-12-06 18:59:33,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 14800 transitions. [2021-12-06 18:59:33,450 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8277404921700223 [2021-12-06 18:59:33,450 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 14800 transitions. [2021-12-06 18:59:33,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 14800 transitions. [2021-12-06 18:59:33,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:59:33,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 14800 transitions. [2021-12-06 18:59:33,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 493.3333333333333) internal successors, (14800), 30 states have internal predecessors, (14800), 0 states have call successors, (0), 0 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 18:59:33,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 596.0) internal successors, (18476), 31 states have internal predecessors, (18476), 0 states have call successors, (0), 0 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 18:59:33,478 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 596.0) internal successors, (18476), 31 states have internal predecessors, (18476), 0 states have call successors, (0), 0 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 18:59:33,478 INFO L186 Difference]: Start difference. First operand has 1946 places, 1695 transitions, 21597 flow. Second operand 30 states and 14800 transitions. [2021-12-06 18:59:33,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1975 places, 2210 transitions, 39095 flow [2021-12-06 18:59:53,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1972 places, 2210 transitions, 30650 flow, removed 4192 selfloop flow, removed 3 redundant places. [2021-12-06 18:59:53,618 INFO L242 Difference]: Finished difference. Result has 1988 places, 1729 transitions, 19221 flow [2021-12-06 18:59:53,619 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=17002, PETRI_DIFFERENCE_MINUEND_PLACES=1943, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=426, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=19221, PETRI_PLACES=1988, PETRI_TRANSITIONS=1729} [2021-12-06 18:59:53,619 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1461 predicate places. [2021-12-06 18:59:53,619 INFO L470 AbstractCegarLoop]: Abstraction has has 1988 places, 1729 transitions, 19221 flow [2021-12-06 18:59:53,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:59:53,620 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:59:53,620 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:59:53,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-12-06 18:59:53,620 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 18:59:53,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:59:53,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1417894316, now seen corresponding path program 16 times [2021-12-06 18:59:53,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:59:53,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375265536] [2021-12-06 18:59:53,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:59:53,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:59:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 18:59:53,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:59:53,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375265536] [2021-12-06 18:59:53,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375265536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:59:53,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:59:53,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:59:53,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751396587] [2021-12-06 18:59:53,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:59:53,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 18:59:53,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:59:53,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 18:59:53,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:59:53,750 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 18:59:53,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1988 places, 1729 transitions, 19221 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 18:59:53,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:59:53,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 18:59:53,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:00:15,710 INFO L129 PetriNetUnfolder]: 6170/27545 cut-off events. [2021-12-06 19:00:15,710 INFO L130 PetriNetUnfolder]: For 1768968/1769032 co-relation queries the response was YES. [2021-12-06 19:00:17,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167710 conditions, 27545 events. 6170/27545 cut-off events. For 1768968/1769032 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 327860 event pairs, 3561 based on Foata normal form. 6/25813 useless extension candidates. Maximal degree in co-relation 167046. Up to 3961 conditions per place. [2021-12-06 19:00:17,793 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1458 selfloop transitions, 131 changer transitions 3/2099 dead transitions. [2021-12-06 19:00:17,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2045 places, 2099 transitions, 38229 flow [2021-12-06 19:00:17,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-06 19:00:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-12-06 19:00:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 28304 transitions. [2021-12-06 19:00:17,805 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8187919463087249 [2021-12-06 19:00:17,805 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 28304 transitions. [2021-12-06 19:00:17,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 28304 transitions. [2021-12-06 19:00:17,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:00:17,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 28304 transitions. [2021-12-06 19:00:17,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 488.0) internal successors, (28304), 58 states have internal predecessors, (28304), 0 states have call successors, (0), 0 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 19:00:17,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 19:00:17,844 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 19:00:17,844 INFO L186 Difference]: Start difference. First operand has 1988 places, 1729 transitions, 19221 flow. Second operand 58 states and 28304 transitions. [2021-12-06 19:00:17,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2045 places, 2099 transitions, 38229 flow [2021-12-06 19:00:38,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2039 places, 2099 transitions, 37009 flow, removed 435 selfloop flow, removed 6 redundant places. [2021-12-06 19:00:38,243 INFO L242 Difference]: Finished difference. Result has 2086 places, 1814 transitions, 24741 flow [2021-12-06 19:00:38,244 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=18152, PETRI_DIFFERENCE_MINUEND_PLACES=1982, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1656, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=24741, PETRI_PLACES=2086, PETRI_TRANSITIONS=1814} [2021-12-06 19:00:38,245 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1559 predicate places. [2021-12-06 19:00:38,245 INFO L470 AbstractCegarLoop]: Abstraction has has 2086 places, 1814 transitions, 24741 flow [2021-12-06 19:00:38,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:00:38,246 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:00:38,246 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:00:38,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-12-06 19:00:38,246 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 19:00:38,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:38,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1999198820, now seen corresponding path program 17 times [2021-12-06 19:00:38,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:38,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946136522] [2021-12-06 19:00:38,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:38,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 19:00:38,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:38,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946136522] [2021-12-06 19:00:38,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946136522] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:38,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:38,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 19:00:38,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601850829] [2021-12-06 19:00:38,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:38,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 19:00:38,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:38,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 19:00:38,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 19:00:38,389 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 19:00:38,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2086 places, 1814 transitions, 24741 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:00:38,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:00:38,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 19:00:38,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:01:01,425 INFO L129 PetriNetUnfolder]: 6076/26963 cut-off events. [2021-12-06 19:01:01,425 INFO L130 PetriNetUnfolder]: For 1926270/1926337 co-relation queries the response was YES. [2021-12-06 19:01:03,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174509 conditions, 26963 events. 6076/26963 cut-off events. For 1926270/1926337 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 323732 event pairs, 1928 based on Foata normal form. 17/25335 useless extension candidates. Maximal degree in co-relation 173799. Up to 3100 conditions per place. [2021-12-06 19:01:03,589 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1333 selfloop transitions, 588 changer transitions 3/2431 dead transitions. [2021-12-06 19:01:03,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2121 places, 2431 transitions, 44209 flow [2021-12-06 19:01:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-12-06 19:01:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-12-06 19:01:03,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 17681 transitions. [2021-12-06 19:01:03,597 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.824058538404176 [2021-12-06 19:01:03,597 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 17681 transitions. [2021-12-06 19:01:03,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 17681 transitions. [2021-12-06 19:01:03,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:01:03,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 17681 transitions. [2021-12-06 19:01:03,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 491.1388888888889) internal successors, (17681), 36 states have internal predecessors, (17681), 0 states have call successors, (0), 0 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 19:01:03,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 596.0) internal successors, (22052), 37 states have internal predecessors, (22052), 0 states have call successors, (0), 0 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 19:01:03,620 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 596.0) internal successors, (22052), 37 states have internal predecessors, (22052), 0 states have call successors, (0), 0 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 19:01:03,620 INFO L186 Difference]: Start difference. First operand has 2086 places, 1814 transitions, 24741 flow. Second operand 36 states and 17681 transitions. [2021-12-06 19:01:03,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2121 places, 2431 transitions, 44209 flow [2021-12-06 19:01:37,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2119 places, 2431 transitions, 34630 flow, removed 4782 selfloop flow, removed 2 redundant places. [2021-12-06 19:01:37,581 INFO L242 Difference]: Finished difference. Result has 2143 places, 1873 transitions, 23211 flow [2021-12-06 19:01:37,582 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=19608, PETRI_DIFFERENCE_MINUEND_PLACES=2084, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1814, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=529, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=23211, PETRI_PLACES=2143, PETRI_TRANSITIONS=1873} [2021-12-06 19:01:37,582 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1616 predicate places. [2021-12-06 19:01:37,582 INFO L470 AbstractCegarLoop]: Abstraction has has 2143 places, 1873 transitions, 23211 flow [2021-12-06 19:01:37,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:01:37,583 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:01:37,583 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:37,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-12-06 19:01:37,584 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 19:01:37,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:37,584 INFO L85 PathProgramCache]: Analyzing trace with hash -2050598446, now seen corresponding path program 18 times [2021-12-06 19:01:37,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:37,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577464370] [2021-12-06 19:01:37,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:37,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 19:01:37,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:37,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577464370] [2021-12-06 19:01:37,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577464370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:37,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:01:37,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 19:01:37,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362267450] [2021-12-06 19:01:37,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:37,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 19:01:37,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:37,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 19:01:37,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 19:01:37,728 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 19:01:37,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2143 places, 1873 transitions, 23211 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:01:37,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:01:37,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 19:01:37,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:00,865 INFO L129 PetriNetUnfolder]: 6081/26444 cut-off events. [2021-12-06 19:02:00,865 INFO L130 PetriNetUnfolder]: For 1925762/1925863 co-relation queries the response was YES. [2021-12-06 19:02:03,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171325 conditions, 26444 events. 6081/26444 cut-off events. For 1925762/1925863 co-relation queries the response was YES. Maximal size of possible extension queue 505. Compared 315812 event pairs, 2848 based on Foata normal form. 9/24915 useless extension candidates. Maximal degree in co-relation 170592. Up to 5340 conditions per place. [2021-12-06 19:02:03,221 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1523 selfloop transitions, 449 changer transitions 3/2482 dead transitions. [2021-12-06 19:02:03,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2200 places, 2482 transitions, 47081 flow [2021-12-06 19:02:03,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-12-06 19:02:03,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-12-06 19:02:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 28265 transitions. [2021-12-06 19:02:03,233 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8176637352464707 [2021-12-06 19:02:03,233 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 28265 transitions. [2021-12-06 19:02:03,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 28265 transitions. [2021-12-06 19:02:03,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:03,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 28265 transitions. [2021-12-06 19:02:03,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 487.32758620689657) internal successors, (28265), 58 states have internal predecessors, (28265), 0 states have call successors, (0), 0 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 19:02:03,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 19:02:03,271 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 596.0) internal successors, (35164), 59 states have internal predecessors, (35164), 0 states have call successors, (0), 0 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 19:02:03,271 INFO L186 Difference]: Start difference. First operand has 2143 places, 1873 transitions, 23211 flow. Second operand 58 states and 28265 transitions. [2021-12-06 19:02:03,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2200 places, 2482 transitions, 47081 flow [2021-12-06 19:02:32,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2195 places, 2482 transitions, 45299 flow, removed 707 selfloop flow, removed 5 redundant places. [2021-12-06 19:02:32,124 INFO L242 Difference]: Finished difference. Result has 2245 places, 1955 transitions, 29952 flow [2021-12-06 19:02:32,126 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=21758, PETRI_DIFFERENCE_MINUEND_PLACES=2138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=370, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=29952, PETRI_PLACES=2245, PETRI_TRANSITIONS=1955} [2021-12-06 19:02:32,126 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1718 predicate places. [2021-12-06 19:02:32,126 INFO L470 AbstractCegarLoop]: Abstraction has has 2245 places, 1955 transitions, 29952 flow [2021-12-06 19:02:32,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:02:32,127 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:32,127 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:02:32,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-12-06 19:02:32,127 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 19:02:32,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:32,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1554308756, now seen corresponding path program 19 times [2021-12-06 19:02:32,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:32,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146158099] [2021-12-06 19:02:32,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:32,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 19:02:32,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:32,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146158099] [2021-12-06 19:02:32,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146158099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:32,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:02:32,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 19:02:32,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990753386] [2021-12-06 19:02:32,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:32,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 19:02:32,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:32,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 19:02:32,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 19:02:32,257 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 19:02:32,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2245 places, 1955 transitions, 29952 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:02:32,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:32,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 19:02:32,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:03:00,461 INFO L129 PetriNetUnfolder]: 6239/28194 cut-off events. [2021-12-06 19:03:00,461 INFO L130 PetriNetUnfolder]: For 1949828/1949920 co-relation queries the response was YES. [2021-12-06 19:03:03,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177882 conditions, 28194 events. 6239/28194 cut-off events. For 1949828/1949920 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 342419 event pairs, 2186 based on Foata normal form. 16/26465 useless extension candidates. Maximal degree in co-relation 177100. Up to 5058 conditions per place. [2021-12-06 19:03:03,460 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1686 selfloop transitions, 235 changer transitions 3/2431 dead transitions. [2021-12-06 19:03:03,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2301 places, 2431 transitions, 47488 flow [2021-12-06 19:03:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-12-06 19:03:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-12-06 19:03:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 27840 transitions. [2021-12-06 19:03:03,473 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8194984104556694 [2021-12-06 19:03:03,473 INFO L72 ComplementDD]: Start complementDD. Operand 57 states and 27840 transitions. [2021-12-06 19:03:03,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 27840 transitions. [2021-12-06 19:03:03,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:03:03,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 57 states and 27840 transitions. [2021-12-06 19:03:03,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 58 states, 57 states have (on average 488.42105263157896) internal successors, (27840), 57 states have internal predecessors, (27840), 0 states have call successors, (0), 0 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 19:03:03,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 58 states, 58 states have (on average 596.0) internal successors, (34568), 58 states have internal predecessors, (34568), 0 states have call successors, (0), 0 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 19:03:03,510 INFO L81 ComplementDD]: Finished complementDD. Result has 58 states, 58 states have (on average 596.0) internal successors, (34568), 58 states have internal predecessors, (34568), 0 states have call successors, (0), 0 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 19:03:03,510 INFO L186 Difference]: Start difference. First operand has 2245 places, 1955 transitions, 29952 flow. Second operand 57 states and 27840 transitions. [2021-12-06 19:03:03,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2301 places, 2431 transitions, 47488 flow [2021-12-06 19:03:40,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2299 places, 2431 transitions, 39139 flow, removed 4167 selfloop flow, removed 2 redundant places. [2021-12-06 19:03:41,009 INFO L242 Difference]: Finished difference. Result has 2339 places, 2025 transitions, 27745 flow [2021-12-06 19:03:41,010 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=24363, PETRI_DIFFERENCE_MINUEND_PLACES=2243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1955, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1779, PETRI_DIFFERENCE_SUBTRAHEND_STATES=57, PETRI_FLOW=27745, PETRI_PLACES=2339, PETRI_TRANSITIONS=2025} [2021-12-06 19:03:41,011 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1812 predicate places. [2021-12-06 19:03:41,011 INFO L470 AbstractCegarLoop]: Abstraction has has 2339 places, 2025 transitions, 27745 flow [2021-12-06 19:03:41,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:03:41,011 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:03:41,012 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:03:41,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-12-06 19:03:41,012 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 19:03:41,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:41,012 INFO L85 PathProgramCache]: Analyzing trace with hash -257923188, now seen corresponding path program 20 times [2021-12-06 19:03:41,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:41,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036281024] [2021-12-06 19:03:41,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:41,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 19:03:41,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:41,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036281024] [2021-12-06 19:03:41,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036281024] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:03:41,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:03:41,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 19:03:41,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820682778] [2021-12-06 19:03:41,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:41,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 19:03:41,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:41,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 19:03:41,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 19:03:41,145 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 19:03:41,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2339 places, 2025 transitions, 27745 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:03:41,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:03:41,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 19:03:41,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:04:08,764 INFO L129 PetriNetUnfolder]: 6428/28174 cut-off events. [2021-12-06 19:04:08,764 INFO L130 PetriNetUnfolder]: For 1841647/1841765 co-relation queries the response was YES. [2021-12-06 19:04:11,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174240 conditions, 28174 events. 6428/28174 cut-off events. For 1841647/1841765 co-relation queries the response was YES. Maximal size of possible extension queue 561. Compared 341339 event pairs, 2661 based on Foata normal form. 14/26592 useless extension candidates. Maximal degree in co-relation 173419. Up to 5348 conditions per place. [2021-12-06 19:04:11,671 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1684 selfloop transitions, 514 changer transitions 3/2708 dead transitions. [2021-12-06 19:04:11,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2393 places, 2708 transitions, 53176 flow [2021-12-06 19:04:11,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-12-06 19:04:11,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-12-06 19:04:11,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 26819 transitions. [2021-12-06 19:04:11,683 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8181513117754728 [2021-12-06 19:04:11,683 INFO L72 ComplementDD]: Start complementDD. Operand 55 states and 26819 transitions. [2021-12-06 19:04:11,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 26819 transitions. [2021-12-06 19:04:11,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:04:11,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 55 states and 26819 transitions. [2021-12-06 19:04:11,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 56 states, 55 states have (on average 487.6181818181818) internal successors, (26819), 55 states have internal predecessors, (26819), 0 states have call successors, (0), 0 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 19:04:11,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 56 states, 56 states have (on average 596.0) internal successors, (33376), 56 states have internal predecessors, (33376), 0 states have call successors, (0), 0 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 19:04:11,723 INFO L81 ComplementDD]: Finished complementDD. Result has 56 states, 56 states have (on average 596.0) internal successors, (33376), 56 states have internal predecessors, (33376), 0 states have call successors, (0), 0 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 19:04:11,723 INFO L186 Difference]: Start difference. First operand has 2339 places, 2025 transitions, 27745 flow. Second operand 55 states and 26819 transitions. [2021-12-06 19:04:11,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2393 places, 2708 transitions, 53176 flow [2021-12-06 19:04:42,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2387 places, 2708 transitions, 51239 flow, removed 843 selfloop flow, removed 6 redundant places. [2021-12-06 19:04:42,702 INFO L242 Difference]: Finished difference. Result has 2433 places, 2104 transitions, 33943 flow [2021-12-06 19:04:42,704 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=25855, PETRI_DIFFERENCE_MINUEND_PLACES=2333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=441, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1567, PETRI_DIFFERENCE_SUBTRAHEND_STATES=55, PETRI_FLOW=33943, PETRI_PLACES=2433, PETRI_TRANSITIONS=2104} [2021-12-06 19:04:42,704 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1906 predicate places. [2021-12-06 19:04:42,705 INFO L470 AbstractCegarLoop]: Abstraction has has 2433 places, 2104 transitions, 33943 flow [2021-12-06 19:04:42,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:04:42,705 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:04:42,706 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:04:42,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-12-06 19:04:42,706 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 19:04:42,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:04:42,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1614723228, now seen corresponding path program 21 times [2021-12-06 19:04:42,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:04:42,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841602466] [2021-12-06 19:04:42,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:42,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:04:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 19:04:42,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:04:42,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841602466] [2021-12-06 19:04:42,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841602466] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:04:42,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:04:42,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 19:04:42,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002805360] [2021-12-06 19:04:42,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:04:42,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 19:04:42,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:04:42,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 19:04:42,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 19:04:42,840 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 19:04:42,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2433 places, 2104 transitions, 33943 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:04:42,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:04:42,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 19:04:42,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:05:17,030 INFO L129 PetriNetUnfolder]: 7019/31542 cut-off events. [2021-12-06 19:05:17,030 INFO L130 PetriNetUnfolder]: For 2636613/2636756 co-relation queries the response was YES. [2021-12-06 19:05:20,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210274 conditions, 31542 events. 7019/31542 cut-off events. For 2636613/2636756 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 387535 event pairs, 3461 based on Foata normal form. 14/29761 useless extension candidates. Maximal degree in co-relation 209408. Up to 5274 conditions per place. [2021-12-06 19:05:20,819 INFO L132 encePairwiseOnDemand]: 570/596 looper letters, 1773 selfloop transitions, 199 changer transitions 3/2482 dead transitions. [2021-12-06 19:05:20,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2484 places, 2482 transitions, 53859 flow [2021-12-06 19:05:20,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-12-06 19:05:20,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-12-06 19:05:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 25387 transitions. [2021-12-06 19:05:20,830 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8191468766133195 [2021-12-06 19:05:20,830 INFO L72 ComplementDD]: Start complementDD. Operand 52 states and 25387 transitions. [2021-12-06 19:05:20,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 25387 transitions. [2021-12-06 19:05:20,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:05:20,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 52 states and 25387 transitions. [2021-12-06 19:05:20,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 53 states, 52 states have (on average 488.21153846153845) internal successors, (25387), 52 states have internal predecessors, (25387), 0 states have call successors, (0), 0 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 19:05:20,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 53 states, 53 states have (on average 596.0) internal successors, (31588), 53 states have internal predecessors, (31588), 0 states have call successors, (0), 0 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 19:05:20,866 INFO L81 ComplementDD]: Finished complementDD. Result has 53 states, 53 states have (on average 596.0) internal successors, (31588), 53 states have internal predecessors, (31588), 0 states have call successors, (0), 0 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 19:05:20,866 INFO L186 Difference]: Start difference. First operand has 2433 places, 2104 transitions, 33943 flow. Second operand 52 states and 25387 transitions. [2021-12-06 19:05:20,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2484 places, 2482 transitions, 53859 flow [2021-12-06 19:05:55,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2482 places, 2482 transitions, 43364 flow, removed 5240 selfloop flow, removed 2 redundant places. [2021-12-06 19:05:55,511 INFO L242 Difference]: Finished difference. Result has 2520 places, 2183 transitions, 34700 flow [2021-12-06 19:05:55,513 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=28932, PETRI_DIFFERENCE_MINUEND_PLACES=2431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1951, PETRI_DIFFERENCE_SUBTRAHEND_STATES=52, PETRI_FLOW=34700, PETRI_PLACES=2520, PETRI_TRANSITIONS=2183} [2021-12-06 19:05:55,513 INFO L334 CegarLoopForPetriNet]: 527 programPoint places, 1993 predicate places. [2021-12-06 19:05:55,513 INFO L470 AbstractCegarLoop]: Abstraction has has 2520 places, 2183 transitions, 34700 flow [2021-12-06 19:05:55,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:05:55,514 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:05:55,514 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:55,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-12-06 19:05:55,515 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-06 19:05:55,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:05:55,515 INFO L85 PathProgramCache]: Analyzing trace with hash -806790826, now seen corresponding path program 22 times [2021-12-06 19:05:55,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:05:55,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98502182] [2021-12-06 19:05:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:05:55,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:05:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 19:05:55,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:05:55,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98502182] [2021-12-06 19:05:55,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98502182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:05:55,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:05:55,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 19:05:55,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198759444] [2021-12-06 19:05:55,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:05:55,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 19:05:55,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:05:55,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 19:05:55,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2021-12-06 19:05:55,646 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 596 [2021-12-06 19:05:55,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2520 places, 2183 transitions, 34700 flow. Second operand has 19 states, 19 states have (on average 482.42105263157896) internal successors, (9166), 19 states have internal predecessors, (9166), 0 states have call successors, (0), 0 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 19:05:55,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:05:55,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 596 [2021-12-06 19:05:55,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand