./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF --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 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:36:15,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:36:15,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:36:15,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:36:15,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:36:15,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:36:15,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:36:15,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:36:15,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:36:15,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:36:15,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:36:15,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:36:15,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:36:15,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:36:15,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:36:15,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:36:15,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:36:15,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:36:15,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:36:15,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:36:15,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:36:15,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:36:15,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:36:15,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:36:15,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:36:15,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:36:15,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:36:15,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:36:15,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:36:15,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:36:15,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:36:15,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:36:15,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:36:15,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:36:15,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:36:15,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:36:15,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:36:15,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:36:15,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:36:15,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:36:15,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:36:15,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 05:36:15,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:36:15,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:36:15,884 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:36:15,884 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:36:15,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:36:15,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:36:15,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:36:15,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:36:15,886 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:36:15,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:36:15,887 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:36:15,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:36:15,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:36:15,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:36:15,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:36:15,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:36:15,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:36:15,888 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:36:15,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:36:15,889 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:36:15,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:36:15,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:36:15,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:36:15,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:36:15,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:36:15,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:36:15,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:36:15,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:36:15,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:36:15,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:36:15,892 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:36:15,892 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:36:15,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:36:15,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:36:15,893 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_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b [2021-11-20 05:36:16,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:36:16,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:36:16,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:36:16,168 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:36:16,169 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:36:16,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-11-20 05:36:16,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/data/342280fe9/0e62b129ebd447f2a424c6a3a772c722/FLAG7ee3af824 [2021-11-20 05:36:16,798 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:36:16,799 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-11-20 05:36:16,812 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/data/342280fe9/0e62b129ebd447f2a424c6a3a772c722/FLAG7ee3af824 [2021-11-20 05:36:17,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/data/342280fe9/0e62b129ebd447f2a424c6a3a772c722 [2021-11-20 05:36:17,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:36:17,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:36:17,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:36:17,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:36:17,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:36:17,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f4e2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17, skipping insertion in model container [2021-11-20 05:36:17,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:36:17,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:36:17,397 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_341d5386-ee78-4cbe-bd39-6a283962a30a/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2021-11-20 05:36:17,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:36:17,411 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:36:17,436 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_341d5386-ee78-4cbe-bd39-6a283962a30a/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2021-11-20 05:36:17,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:36:17,459 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:36:17,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17 WrapperNode [2021-11-20 05:36:17,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:36:17,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:36:17,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:36:17,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:36:17,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,514 INFO L137 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 217 [2021-11-20 05:36:17,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:36:17,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:36:17,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:36:17,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:36:17,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:36:17,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:36:17,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:36:17,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:36:17,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (1/1) ... [2021-11-20 05:36:17,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:36:17,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:17,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:17,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341d5386-ee78-4cbe-bd39-6a283962a30a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:36:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:36:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-20 05:36:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-20 05:36:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-20 05:36:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-20 05:36:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-20 05:36:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-20 05:36:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:36:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:36:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:36:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:36:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:36:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:36:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:36:17,668 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 05:36:17,762 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:36:17,764 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:36:18,228 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:36:18,243 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:36:18,243 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 05:36:18,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:18 BoogieIcfgContainer [2021-11-20 05:36:18,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:36:18,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:36:18,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:36:18,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:36:18,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:36:17" (1/3) ... [2021-11-20 05:36:18,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53934f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:36:18, skipping insertion in model container [2021-11-20 05:36:18,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:17" (2/3) ... [2021-11-20 05:36:18,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53934f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:36:18, skipping insertion in model container [2021-11-20 05:36:18,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:18" (3/3) ... [2021-11-20 05:36:18,255 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2021-11-20 05:36:18,261 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 05:36:18,261 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:36:18,261 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:36:18,267 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 05:36:18,333 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,337 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,338 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,338 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,338 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,338 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,339 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,339 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,339 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,339 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,339 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,340 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,340 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,340 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,340 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,341 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,341 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,341 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,341 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,341 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,342 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,342 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,342 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,342 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,342 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,343 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,343 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,343 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,343 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,345 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,346 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,346 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,346 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,346 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,346 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,347 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,347 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,347 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,347 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,347 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,358 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,358 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,358 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,358 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,361 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,362 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,362 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,362 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,362 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,362 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,363 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,363 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,363 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,363 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,364 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,364 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,364 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,364 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,365 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,365 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,365 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,365 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,366 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,366 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,366 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,366 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,367 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,367 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,367 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,367 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,367 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,372 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,372 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,372 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,372 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,380 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,380 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,380 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,381 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,381 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,381 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,381 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,381 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,382 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,382 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,382 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,382 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,384 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,384 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,384 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,385 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,385 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,385 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,385 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,385 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,386 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,386 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,386 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,386 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,386 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,387 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,387 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,387 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,387 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,389 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,401 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,402 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,402 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,402 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,402 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,402 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,402 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,403 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,403 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,403 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,403 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,403 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,404 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,404 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,404 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,404 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,404 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,405 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,405 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,405 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,405 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,405 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,406 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,406 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,406 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,406 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,406 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,406 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,406 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,407 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,407 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,407 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,407 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,407 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,408 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,408 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,408 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,408 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,408 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,408 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,408 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,409 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,409 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,409 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,409 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,409 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,409 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,415 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,415 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,415 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,415 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,415 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,415 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,416 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,416 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,416 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,416 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,416 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,416 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,417 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,417 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,417 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,417 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,417 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,418 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,418 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,418 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,418 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,421 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,428 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,428 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,428 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,429 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,431 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,431 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,431 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,431 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,437 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,438 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,438 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,438 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,438 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,438 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,439 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,439 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,442 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,443 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,444 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,451 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,451 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,451 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,451 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,453 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,453 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,453 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,453 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,454 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,454 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,454 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,457 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,457 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:36:18,470 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-20 05:36:18,517 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:36:18,524 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:36:18,524 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-20 05:36:18,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 278 transitions, 580 flow [2021-11-20 05:36:18,711 INFO L129 PetriNetUnfolder]: 25/275 cut-off events. [2021-11-20 05:36:18,711 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-20 05:36:18,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 275 events. 25/275 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 746 event pairs, 0 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2021-11-20 05:36:18,721 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 278 transitions, 580 flow [2021-11-20 05:36:18,730 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 249 places, 264 transitions, 546 flow [2021-11-20 05:36:18,794 INFO L129 PetriNetUnfolder]: 25/263 cut-off events. [2021-11-20 05:36:18,795 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-20 05:36:18,795 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:18,796 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] [2021-11-20 05:36:18,796 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:18,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:18,804 INFO L85 PathProgramCache]: Analyzing trace with hash -802081389, now seen corresponding path program 1 times [2021-11-20 05:36:18,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:18,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326978796] [2021-11-20 05:36:18,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:18,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:19,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:19,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326978796] [2021-11-20 05:36:19,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326978796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:19,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:19,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:19,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339019473] [2021-11-20 05:36:19,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:19,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:19,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:19,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:19,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:19,229 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-11-20 05:36:19,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 264 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:19,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:19,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-11-20 05:36:19,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:19,567 INFO L129 PetriNetUnfolder]: 113/997 cut-off events. [2021-11-20 05:36:19,568 INFO L130 PetriNetUnfolder]: For 121/121 co-relation queries the response was YES. [2021-11-20 05:36:19,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1175 conditions, 997 events. 113/997 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6897 event pairs, 26 based on Foata normal form. 55/939 useless extension candidates. Maximal degree in co-relation 963. Up to 74 conditions per place. [2021-11-20 05:36:19,590 INFO L132 encePairwiseOnDemand]: 261/278 looper letters, 18 selfloop transitions, 6 changer transitions 1/265 dead transitions. [2021-11-20 05:36:19,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 265 transitions, 608 flow [2021-11-20 05:36:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 800 transitions. [2021-11-20 05:36:19,613 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9592326139088729 [2021-11-20 05:36:19,614 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 800 transitions. [2021-11-20 05:36:19,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 800 transitions. [2021-11-20 05:36:19,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:19,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 800 transitions. [2021-11-20 05:36:19,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:19,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:19,649 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:19,651 INFO L186 Difference]: Start difference. First operand has 249 places, 264 transitions, 546 flow. Second operand 3 states and 800 transitions. [2021-11-20 05:36:19,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 265 transitions, 608 flow [2021-11-20 05:36:19,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 265 transitions, 588 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-11-20 05:36:19,673 INFO L242 Difference]: Finished difference. Result has 247 places, 260 transitions, 566 flow [2021-11-20 05:36:19,676 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=566, PETRI_PLACES=247, PETRI_TRANSITIONS=260} [2021-11-20 05:36:19,681 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, -2 predicate places. [2021-11-20 05:36:19,682 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 260 transitions, 566 flow [2021-11-20 05:36:19,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:19,687 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:19,687 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] [2021-11-20 05:36:19,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:36:19,688 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:19,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:19,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1464503203, now seen corresponding path program 1 times [2021-11-20 05:36:19,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:19,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106088664] [2021-11-20 05:36:19,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:19,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:19,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:19,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106088664] [2021-11-20 05:36:19,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106088664] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:19,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:19,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:19,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508858706] [2021-11-20 05:36:19,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:19,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:19,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:19,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:19,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:19,830 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-11-20 05:36:19,832 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 260 transitions, 566 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:19,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:19,832 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-11-20 05:36:19,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:20,285 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([843] thread3EXIT-->L80-2: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem39#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][257], [17#L80-2true, 268#(= ~isNull_6~0 (* 256 (div ~isNull_6~0 256))), 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), Black: 266#true]) [2021-11-20 05:36:20,285 INFO L384 tUnfolder$Statistics]: this new event has 116 ancestors and is not cut-off event [2021-11-20 05:36:20,285 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-11-20 05:36:20,285 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-11-20 05:36:20,286 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-11-20 05:36:20,287 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([843] thread3EXIT-->L80-2: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem39#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][257], [17#L80-2true, 268#(= ~isNull_6~0 (* 256 (div ~isNull_6~0 256))), 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), Black: 266#true]) [2021-11-20 05:36:20,288 INFO L384 tUnfolder$Statistics]: this new event has 120 ancestors and is cut-off event [2021-11-20 05:36:20,288 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-11-20 05:36:20,288 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-11-20 05:36:20,288 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-11-20 05:36:20,288 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-11-20 05:36:20,301 INFO L129 PetriNetUnfolder]: 173/2319 cut-off events. [2021-11-20 05:36:20,301 INFO L130 PetriNetUnfolder]: For 75/75 co-relation queries the response was YES. [2021-11-20 05:36:20,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2551 conditions, 2319 events. 173/2319 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 21879 event pairs, 25 based on Foata normal form. 0/2095 useless extension candidates. Maximal degree in co-relation 1196. Up to 72 conditions per place. [2021-11-20 05:36:20,333 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 15 selfloop transitions, 4 changer transitions 0/267 dead transitions. [2021-11-20 05:36:20,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 267 transitions, 623 flow [2021-11-20 05:36:20,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:20,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-11-20 05:36:20,337 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-11-20 05:36:20,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-11-20 05:36:20,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-11-20 05:36:20,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:20,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-11-20 05:36:20,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:20,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:20,345 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:20,345 INFO L186 Difference]: Start difference. First operand has 247 places, 260 transitions, 566 flow. Second operand 3 states and 795 transitions. [2021-11-20 05:36:20,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 267 transitions, 623 flow [2021-11-20 05:36:20,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 267 transitions, 611 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 05:36:20,360 INFO L242 Difference]: Finished difference. Result has 248 places, 262 transitions, 582 flow [2021-11-20 05:36:20,361 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=248, PETRI_TRANSITIONS=262} [2021-11-20 05:36:20,361 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, -1 predicate places. [2021-11-20 05:36:20,362 INFO L470 AbstractCegarLoop]: Abstraction has has 248 places, 262 transitions, 582 flow [2021-11-20 05:36:20,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:20,363 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:20,363 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] [2021-11-20 05:36:20,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:36:20,363 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:20,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:20,364 INFO L85 PathProgramCache]: Analyzing trace with hash 584730219, now seen corresponding path program 1 times [2021-11-20 05:36:20,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:20,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408267282] [2021-11-20 05:36:20,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:20,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:20,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:20,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408267282] [2021-11-20 05:36:20,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408267282] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:20,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:20,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:36:20,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466003610] [2021-11-20 05:36:20,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:20,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:36:20,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:20,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:36:20,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:36:20,687 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-11-20 05:36:20,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 262 transitions, 582 flow. Second operand has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:20,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:20,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-11-20 05:36:20,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:21,099 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,099 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,100 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,100 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,100 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,108 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,108 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-11-20 05:36:21,108 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,108 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,109 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,109 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,109 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,109 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,109 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-11-20 05:36:21,110 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-11-20 05:36:21,110 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-11-20 05:36:21,117 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-11-20 05:36:21,117 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-11-20 05:36:21,117 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,117 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,118 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,118 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,118 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-11-20 05:36:21,118 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-11-20 05:36:21,118 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,119 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,119 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,119 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,131 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-11-20 05:36:21,131 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,131 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-11-20 05:36:21,131 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,132 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-11-20 05:36:21,132 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-11-20 05:36:21,132 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-11-20 05:36:21,132 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-11-20 05:36:21,132 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-11-20 05:36:21,132 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,132 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,132 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,133 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,133 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-11-20 05:36:21,133 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-11-20 05:36:21,133 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,133 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,133 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,134 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,134 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,140 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-11-20 05:36:21,140 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-11-20 05:36:21,140 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-11-20 05:36:21,140 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-11-20 05:36:21,140 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,140 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,140 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,141 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-11-20 05:36:21,141 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-11-20 05:36:21,141 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-11-20 05:36:21,141 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,141 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,141 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,142 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,142 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,142 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,144 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,144 INFO L384 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,144 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,144 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,144 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,160 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,160 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,160 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,161 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,161 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,161 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,161 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,161 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,162 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [278#true, 69#L56-30true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,162 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,162 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,162 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,162 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,162 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,163 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-11-20 05:36:21,163 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,163 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-20 05:36:21,167 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,167 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-11-20 05:36:21,167 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,167 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,167 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,167 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,173 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-11-20 05:36:21,173 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-11-20 05:36:21,173 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,174 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-11-20 05:36:21,174 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,174 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,174 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,199 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,199 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,199 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,199 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,199 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,213 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,213 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-11-20 05:36:21,214 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-11-20 05:36:21,214 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,214 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-11-20 05:36:21,214 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,214 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,214 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,215 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,215 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-11-20 05:36:21,216 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-11-20 05:36:21,216 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,216 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-11-20 05:36:21,216 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-11-20 05:36:21,216 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,216 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,216 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-20 05:36:21,220 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,221 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,221 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,221 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,221 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,221 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,257 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-11-20 05:36:21,258 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,258 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,258 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,258 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,258 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,258 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,301 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,301 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,301 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,301 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,301 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,301 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,302 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,302 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,302 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-11-20 05:36:21,303 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,303 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,303 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,303 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,303 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,303 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,304 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-20 05:36:21,304 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-20 05:36:21,575 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,575 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,575 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,576 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,576 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,585 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,585 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-11-20 05:36:21,585 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,586 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,586 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,586 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,587 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,588 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-11-20 05:36:21,588 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,588 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,588 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-11-20 05:36:21,589 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,589 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-11-20 05:36:21,589 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,589 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,590 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-11-20 05:36:21,590 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-11-20 05:36:21,593 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,594 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-11-20 05:36:21,594 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:21,594 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,594 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,594 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,595 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,606 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-11-20 05:36:21,606 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,606 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,606 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,606 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,710 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-11-20 05:36:21,710 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-11-20 05:36:21,710 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,710 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,710 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,711 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,711 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,711 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-11-20 05:36:21,712 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:21,712 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:21,712 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,712 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,712 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,712 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,713 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,713 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-11-20 05:36:21,713 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:21,714 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:21,714 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,714 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,714 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:21,714 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,714 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 05:36:21,718 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-11-20 05:36:21,719 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-11-20 05:36:21,719 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,719 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,719 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,719 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-11-20 05:36:21,720 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,730 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,731 INFO L384 tUnfolder$Statistics]: this new event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,731 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,731 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,731 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,740 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,741 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-11-20 05:36:21,741 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,741 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,741 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,741 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,742 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-11-20 05:36:21,743 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-11-20 05:36:21,743 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,743 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,743 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,743 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-11-20 05:36:21,743 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,744 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-11-20 05:36:21,744 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-11-20 05:36:21,744 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-11-20 05:36:21,745 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,745 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,745 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,745 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-11-20 05:36:21,745 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-11-20 05:36:21,745 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 05:36:21,746 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-11-20 05:36:21,750 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,750 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-11-20 05:36:21,750 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,750 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-11-20 05:36:21,750 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,751 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,751 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,763 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,763 INFO L384 tUnfolder$Statistics]: this new event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,763 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,763 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,763 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,771 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,771 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-11-20 05:36:21,771 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,771 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-11-20 05:36:21,771 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,772 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,772 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-11-20 05:36:21,772 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,773 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,773 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,773 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,773 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,773 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,773 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,774 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,774 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-11-20 05:36:21,774 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,775 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-11-20 05:36:21,775 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,775 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,775 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-11-20 05:36:21,775 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-11-20 05:36:21,775 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-11-20 05:36:21,780 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,780 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,781 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,781 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,781 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,781 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,781 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,798 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,798 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,798 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,798 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,799 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,799 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,799 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,799 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,799 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-11-20 05:36:21,800 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,800 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,800 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,800 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,800 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,801 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-20 05:36:21,801 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,801 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 05:36:21,894 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-11-20 05:36:21,894 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,894 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,895 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,895 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,897 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-11-20 05:36:21,897 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-11-20 05:36:21,897 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,897 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,897 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,897 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,902 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-11-20 05:36:21,902 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-11-20 05:36:21,902 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,902 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,902 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,902 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,902 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-11-20 05:36:21,903 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-11-20 05:36:21,903 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-11-20 05:36:21,903 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,903 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,903 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,904 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,904 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-11-20 05:36:21,904 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-11-20 05:36:21,904 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-11-20 05:36:21,904 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-11-20 05:36:21,905 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,905 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-11-20 05:36:21,905 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,905 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,905 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-11-20 05:36:21,905 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-11-20 05:36:21,905 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-11-20 05:36:21,977 INFO L129 PetriNetUnfolder]: 1007/4694 cut-off events. [2021-11-20 05:36:21,977 INFO L130 PetriNetUnfolder]: For 217/217 co-relation queries the response was YES. [2021-11-20 05:36:22,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6406 conditions, 4694 events. 1007/4694 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 51165 event pairs, 316 based on Foata normal form. 4/4187 useless extension candidates. Maximal degree in co-relation 4096. Up to 1022 conditions per place. [2021-11-20 05:36:22,048 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 34 selfloop transitions, 15 changer transitions 4/293 dead transitions. [2021-11-20 05:36:22,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 293 transitions, 762 flow [2021-11-20 05:36:22,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:36:22,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 05:36:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2277 transitions. [2021-11-20 05:36:22,056 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9100719424460432 [2021-11-20 05:36:22,056 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2277 transitions. [2021-11-20 05:36:22,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2277 transitions. [2021-11-20 05:36:22,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:22,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2277 transitions. [2021-11-20 05:36:22,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 253.0) internal successors, (2277), 9 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:22,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:22,075 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:22,075 INFO L186 Difference]: Start difference. First operand has 248 places, 262 transitions, 582 flow. Second operand 9 states and 2277 transitions. [2021-11-20 05:36:22,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 293 transitions, 762 flow [2021-11-20 05:36:22,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 293 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 05:36:22,159 INFO L242 Difference]: Finished difference. Result has 261 places, 274 transitions, 678 flow [2021-11-20 05:36:22,160 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=678, PETRI_PLACES=261, PETRI_TRANSITIONS=274} [2021-11-20 05:36:22,161 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 12 predicate places. [2021-11-20 05:36:22,165 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 274 transitions, 678 flow [2021-11-20 05:36:22,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:22,166 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:22,167 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] [2021-11-20 05:36:22,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:36:22,167 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:22,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:22,168 INFO L85 PathProgramCache]: Analyzing trace with hash 353464671, now seen corresponding path program 1 times [2021-11-20 05:36:22,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:22,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677255072] [2021-11-20 05:36:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:22,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:22,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:22,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677255072] [2021-11-20 05:36:22,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677255072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:22,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:22,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:22,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231688405] [2021-11-20 05:36:22,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:22,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:22,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:22,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:22,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:22,265 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-11-20 05:36:22,267 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 274 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:22,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:22,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-11-20 05:36:22,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:22,763 INFO L129 PetriNetUnfolder]: 327/2667 cut-off events. [2021-11-20 05:36:22,763 INFO L130 PetriNetUnfolder]: For 516/698 co-relation queries the response was YES. [2021-11-20 05:36:22,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3730 conditions, 2667 events. 327/2667 cut-off events. For 516/698 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 26314 event pairs, 70 based on Foata normal form. 0/2404 useless extension candidates. Maximal degree in co-relation 3702. Up to 155 conditions per place. [2021-11-20 05:36:22,803 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 24 selfloop transitions, 4 changer transitions 0/282 dead transitions. [2021-11-20 05:36:22,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 282 transitions, 762 flow [2021-11-20 05:36:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:22,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-11-20 05:36:22,807 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-11-20 05:36:22,807 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-11-20 05:36:22,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-11-20 05:36:22,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:22,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-11-20 05:36:22,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:22,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:22,815 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:22,815 INFO L186 Difference]: Start difference. First operand has 261 places, 274 transitions, 678 flow. Second operand 3 states and 790 transitions. [2021-11-20 05:36:22,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 282 transitions, 762 flow [2021-11-20 05:36:22,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 282 transitions, 758 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-11-20 05:36:22,827 INFO L242 Difference]: Finished difference. Result has 261 places, 278 transitions, 722 flow [2021-11-20 05:36:22,828 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=261, PETRI_TRANSITIONS=278} [2021-11-20 05:36:22,829 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 12 predicate places. [2021-11-20 05:36:22,829 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 278 transitions, 722 flow [2021-11-20 05:36:22,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:22,830 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:22,830 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] [2021-11-20 05:36:22,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:36:22,831 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:22,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:22,832 INFO L85 PathProgramCache]: Analyzing trace with hash 541551261, now seen corresponding path program 1 times [2021-11-20 05:36:22,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:22,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868032894] [2021-11-20 05:36:22,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:22,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:22,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:22,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868032894] [2021-11-20 05:36:22,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868032894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:22,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:22,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:36:22,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336000833] [2021-11-20 05:36:22,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:22,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:36:22,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:22,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:36:22,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:36:22,947 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-11-20 05:36:22,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 278 transitions, 722 flow. Second operand has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:22,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:22,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-11-20 05:36:22,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:23,759 INFO L129 PetriNetUnfolder]: 723/3800 cut-off events. [2021-11-20 05:36:23,759 INFO L130 PetriNetUnfolder]: For 1877/2027 co-relation queries the response was YES. [2021-11-20 05:36:23,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6763 conditions, 3800 events. 723/3800 cut-off events. For 1877/2027 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 40871 event pairs, 307 based on Foata normal form. 49/3492 useless extension candidates. Maximal degree in co-relation 4511. Up to 1007 conditions per place. [2021-11-20 05:36:23,825 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 37 selfloop transitions, 15 changer transitions 7/308 dead transitions. [2021-11-20 05:36:23,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 308 transitions, 959 flow [2021-11-20 05:36:23,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:36:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 05:36:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2276 transitions. [2021-11-20 05:36:23,833 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9096722621902478 [2021-11-20 05:36:23,833 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2276 transitions. [2021-11-20 05:36:23,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2276 transitions. [2021-11-20 05:36:23,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:23,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2276 transitions. [2021-11-20 05:36:23,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 252.88888888888889) internal successors, (2276), 9 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:23,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:23,851 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:23,851 INFO L186 Difference]: Start difference. First operand has 261 places, 278 transitions, 722 flow. Second operand 9 states and 2276 transitions. [2021-11-20 05:36:23,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 308 transitions, 959 flow [2021-11-20 05:36:23,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 308 transitions, 947 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-11-20 05:36:23,866 INFO L242 Difference]: Finished difference. Result has 275 places, 290 transitions, 844 flow [2021-11-20 05:36:23,867 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=844, PETRI_PLACES=275, PETRI_TRANSITIONS=290} [2021-11-20 05:36:23,868 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 26 predicate places. [2021-11-20 05:36:23,868 INFO L470 AbstractCegarLoop]: Abstraction has has 275 places, 290 transitions, 844 flow [2021-11-20 05:36:23,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:23,869 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:23,869 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] [2021-11-20 05:36:23,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 05:36:23,870 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:23,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:23,871 INFO L85 PathProgramCache]: Analyzing trace with hash 5342983, now seen corresponding path program 2 times [2021-11-20 05:36:23,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:23,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9836870] [2021-11-20 05:36:23,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:23,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:23,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:23,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9836870] [2021-11-20 05:36:23,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9836870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:23,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:23,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 05:36:23,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038314644] [2021-11-20 05:36:23,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:23,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 05:36:23,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:23,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 05:36:23,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:36:23,984 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-11-20 05:36:23,987 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 290 transitions, 844 flow. Second operand has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:23,987 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:23,987 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-11-20 05:36:23,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:24,908 INFO L129 PetriNetUnfolder]: 721/3951 cut-off events. [2021-11-20 05:36:24,908 INFO L130 PetriNetUnfolder]: For 5276/5394 co-relation queries the response was YES. [2021-11-20 05:36:24,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8407 conditions, 3951 events. 721/3951 cut-off events. For 5276/5394 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 43204 event pairs, 314 based on Foata normal form. 49/3634 useless extension candidates. Maximal degree in co-relation 8373. Up to 961 conditions per place. [2021-11-20 05:36:24,969 INFO L132 encePairwiseOnDemand]: 268/278 looper letters, 41 selfloop transitions, 9 changer transitions 15/314 dead transitions. [2021-11-20 05:36:24,969 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 314 transitions, 1139 flow [2021-11-20 05:36:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 05:36:24,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 05:36:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2521 transitions. [2021-11-20 05:36:24,979 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9068345323741007 [2021-11-20 05:36:24,979 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2521 transitions. [2021-11-20 05:36:24,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2521 transitions. [2021-11-20 05:36:24,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:24,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2521 transitions. [2021-11-20 05:36:24,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 252.1) internal successors, (2521), 10 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:24,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 278.0) internal successors, (3058), 11 states have internal predecessors, (3058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:24,998 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 278.0) internal successors, (3058), 11 states have internal predecessors, (3058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:24,998 INFO L186 Difference]: Start difference. First operand has 275 places, 290 transitions, 844 flow. Second operand 10 states and 2521 transitions. [2021-11-20 05:36:24,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 314 transitions, 1139 flow [2021-11-20 05:36:25,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 314 transitions, 1111 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-11-20 05:36:25,026 INFO L242 Difference]: Finished difference. Result has 283 places, 290 transitions, 844 flow [2021-11-20 05:36:25,027 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=844, PETRI_PLACES=283, PETRI_TRANSITIONS=290} [2021-11-20 05:36:25,028 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 34 predicate places. [2021-11-20 05:36:25,028 INFO L470 AbstractCegarLoop]: Abstraction has has 283 places, 290 transitions, 844 flow [2021-11-20 05:36:25,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:25,029 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:25,029 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] [2021-11-20 05:36:25,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 05:36:25,030 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:25,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:25,031 INFO L85 PathProgramCache]: Analyzing trace with hash -478362955, now seen corresponding path program 1 times [2021-11-20 05:36:25,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:25,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434725301] [2021-11-20 05:36:25,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:25,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:25,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:25,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434725301] [2021-11-20 05:36:25,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434725301] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:25,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:25,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:25,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973078733] [2021-11-20 05:36:25,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:25,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:25,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:25,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:25,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:25,075 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-11-20 05:36:25,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 290 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:25,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:25,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-11-20 05:36:25,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:25,511 INFO L129 PetriNetUnfolder]: 196/2433 cut-off events. [2021-11-20 05:36:25,511 INFO L130 PetriNetUnfolder]: For 1066/1271 co-relation queries the response was YES. [2021-11-20 05:36:25,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3887 conditions, 2433 events. 196/2433 cut-off events. For 1066/1271 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 24124 event pairs, 55 based on Foata normal form. 2/2285 useless extension candidates. Maximal degree in co-relation 3854. Up to 127 conditions per place. [2021-11-20 05:36:25,602 INFO L132 encePairwiseOnDemand]: 274/278 looper letters, 19 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2021-11-20 05:36:25,602 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 297 transitions, 909 flow [2021-11-20 05:36:25,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:25,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-11-20 05:36:25,606 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-11-20 05:36:25,606 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-11-20 05:36:25,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-11-20 05:36:25,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:25,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-11-20 05:36:25,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:25,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:25,612 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:25,612 INFO L186 Difference]: Start difference. First operand has 283 places, 290 transitions, 844 flow. Second operand 3 states and 795 transitions. [2021-11-20 05:36:25,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 297 transitions, 909 flow [2021-11-20 05:36:25,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 297 transitions, 900 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-11-20 05:36:25,627 INFO L242 Difference]: Finished difference. Result has 281 places, 292 transitions, 859 flow [2021-11-20 05:36:25,628 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=859, PETRI_PLACES=281, PETRI_TRANSITIONS=292} [2021-11-20 05:36:25,629 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 32 predicate places. [2021-11-20 05:36:25,629 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 292 transitions, 859 flow [2021-11-20 05:36:25,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:25,630 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:25,630 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] [2021-11-20 05:36:25,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 05:36:25,631 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:25,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:25,632 INFO L85 PathProgramCache]: Analyzing trace with hash 701178951, now seen corresponding path program 1 times [2021-11-20 05:36:25,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:25,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125580657] [2021-11-20 05:36:25,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:25,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:25,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:25,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:25,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125580657] [2021-11-20 05:36:25,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125580657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:25,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:25,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 05:36:25,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695994486] [2021-11-20 05:36:25,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:25,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 05:36:25,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:25,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 05:36:25,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:36:25,798 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-11-20 05:36:25,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 292 transitions, 859 flow. Second operand has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:25,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:25,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-11-20 05:36:25,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:26,704 INFO L129 PetriNetUnfolder]: 738/5704 cut-off events. [2021-11-20 05:36:26,704 INFO L130 PetriNetUnfolder]: For 4967/5505 co-relation queries the response was YES. [2021-11-20 05:36:26,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10634 conditions, 5704 events. 738/5704 cut-off events. For 4967/5505 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 70658 event pairs, 300 based on Foata normal form. 37/5409 useless extension candidates. Maximal degree in co-relation 9644. Up to 510 conditions per place. [2021-11-20 05:36:26,779 INFO L132 encePairwiseOnDemand]: 269/278 looper letters, 36 selfloop transitions, 9 changer transitions 43/344 dead transitions. [2021-11-20 05:36:26,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 344 transitions, 1352 flow [2021-11-20 05:36:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:36:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-20 05:36:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1774 transitions. [2021-11-20 05:36:26,785 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9116135662898253 [2021-11-20 05:36:26,785 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1774 transitions. [2021-11-20 05:36:26,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1774 transitions. [2021-11-20 05:36:26,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:26,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1774 transitions. [2021-11-20 05:36:26,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 253.42857142857142) internal successors, (1774), 7 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:26,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 278.0) internal successors, (2224), 8 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:26,799 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 278.0) internal successors, (2224), 8 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:26,799 INFO L186 Difference]: Start difference. First operand has 281 places, 292 transitions, 859 flow. Second operand 7 states and 1774 transitions. [2021-11-20 05:36:26,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 344 transitions, 1352 flow [2021-11-20 05:36:26,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 344 transitions, 1346 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-11-20 05:36:26,835 INFO L242 Difference]: Finished difference. Result has 291 places, 292 transitions, 893 flow [2021-11-20 05:36:26,836 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=893, PETRI_PLACES=291, PETRI_TRANSITIONS=292} [2021-11-20 05:36:26,839 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 42 predicate places. [2021-11-20 05:36:26,840 INFO L470 AbstractCegarLoop]: Abstraction has has 291 places, 292 transitions, 893 flow [2021-11-20 05:36:26,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:26,858 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:26,858 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] [2021-11-20 05:36:26,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 05:36:26,859 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:26,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:26,906 INFO L85 PathProgramCache]: Analyzing trace with hash 828163827, now seen corresponding path program 2 times [2021-11-20 05:36:26,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:26,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133932747] [2021-11-20 05:36:26,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:26,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:27,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:27,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133932747] [2021-11-20 05:36:27,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133932747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:27,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:27,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:36:27,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007122943] [2021-11-20 05:36:27,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:27,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:36:27,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:27,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:36:27,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:36:27,020 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-11-20 05:36:27,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 292 transitions, 893 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:27,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:27,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-11-20 05:36:27,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:27,437 INFO L129 PetriNetUnfolder]: 232/2187 cut-off events. [2021-11-20 05:36:27,437 INFO L130 PetriNetUnfolder]: For 1375/1604 co-relation queries the response was YES. [2021-11-20 05:36:27,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4006 conditions, 2187 events. 232/2187 cut-off events. For 1375/1604 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 22109 event pairs, 62 based on Foata normal form. 21/2057 useless extension candidates. Maximal degree in co-relation 3966. Up to 150 conditions per place. [2021-11-20 05:36:27,471 INFO L132 encePairwiseOnDemand]: 269/278 looper letters, 23 selfloop transitions, 11 changer transitions 4/303 dead transitions. [2021-11-20 05:36:27,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 303 transitions, 1009 flow [2021-11-20 05:36:27,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:36:27,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-20 05:36:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1791 transitions. [2021-11-20 05:36:27,477 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.920349434737924 [2021-11-20 05:36:27,477 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1791 transitions. [2021-11-20 05:36:27,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1791 transitions. [2021-11-20 05:36:27,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:27,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1791 transitions. [2021-11-20 05:36:27,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 255.85714285714286) internal successors, (1791), 7 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:27,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 278.0) internal successors, (2224), 8 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:27,489 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 278.0) internal successors, (2224), 8 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:27,489 INFO L186 Difference]: Start difference. First operand has 291 places, 292 transitions, 893 flow. Second operand 7 states and 1791 transitions. [2021-11-20 05:36:27,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 303 transitions, 1009 flow [2021-11-20 05:36:27,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 303 transitions, 969 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-11-20 05:36:27,505 INFO L242 Difference]: Finished difference. Result has 291 places, 292 transitions, 893 flow [2021-11-20 05:36:27,506 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=857, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=893, PETRI_PLACES=291, PETRI_TRANSITIONS=292} [2021-11-20 05:36:27,507 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 42 predicate places. [2021-11-20 05:36:27,507 INFO L470 AbstractCegarLoop]: Abstraction has has 291 places, 292 transitions, 893 flow [2021-11-20 05:36:27,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:27,508 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:27,509 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] [2021-11-20 05:36:27,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 05:36:27,509 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:27,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:27,510 INFO L85 PathProgramCache]: Analyzing trace with hash -724671635, now seen corresponding path program 1 times [2021-11-20 05:36:27,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:27,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704082395] [2021-11-20 05:36:27,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:27,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:27,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:27,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704082395] [2021-11-20 05:36:27,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704082395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:27,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:27,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:27,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233149219] [2021-11-20 05:36:27,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:27,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:27,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:27,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:27,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:27,560 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-11-20 05:36:27,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 292 transitions, 893 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:27,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:27,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-11-20 05:36:27,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:28,359 INFO L129 PetriNetUnfolder]: 338/4472 cut-off events. [2021-11-20 05:36:28,359 INFO L130 PetriNetUnfolder]: For 2331/2676 co-relation queries the response was YES. [2021-11-20 05:36:28,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7369 conditions, 4472 events. 338/4472 cut-off events. For 2331/2676 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 53922 event pairs, 87 based on Foata normal form. 5/4186 useless extension candidates. Maximal degree in co-relation 7325. Up to 214 conditions per place. [2021-11-20 05:36:28,421 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 18 selfloop transitions, 3 changer transitions 1/300 dead transitions. [2021-11-20 05:36:28,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 300 transitions, 958 flow [2021-11-20 05:36:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-11-20 05:36:28,426 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-11-20 05:36:28,426 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-11-20 05:36:28,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-11-20 05:36:28,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:28,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-11-20 05:36:28,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:28,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:28,433 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:28,433 INFO L186 Difference]: Start difference. First operand has 291 places, 292 transitions, 893 flow. Second operand 3 states and 793 transitions. [2021-11-20 05:36:28,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 300 transitions, 958 flow [2021-11-20 05:36:28,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 300 transitions, 933 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-11-20 05:36:28,458 INFO L242 Difference]: Finished difference. Result has 287 places, 294 transitions, 894 flow [2021-11-20 05:36:28,459 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=287, PETRI_TRANSITIONS=294} [2021-11-20 05:36:28,460 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 38 predicate places. [2021-11-20 05:36:28,461 INFO L470 AbstractCegarLoop]: Abstraction has has 287 places, 294 transitions, 894 flow [2021-11-20 05:36:28,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:28,461 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:28,461 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] [2021-11-20 05:36:28,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 05:36:28,462 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:28,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:28,463 INFO L85 PathProgramCache]: Analyzing trace with hash -613985965, now seen corresponding path program 2 times [2021-11-20 05:36:28,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:28,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314598017] [2021-11-20 05:36:28,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:28,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:28,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:28,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314598017] [2021-11-20 05:36:28,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314598017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:28,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:28,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:28,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163585461] [2021-11-20 05:36:28,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:28,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:28,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:28,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:28,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:28,500 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-11-20 05:36:28,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 294 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:28,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:28,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-11-20 05:36:28,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:29,106 INFO L129 PetriNetUnfolder]: 232/3236 cut-off events. [2021-11-20 05:36:29,107 INFO L130 PetriNetUnfolder]: For 1387/1555 co-relation queries the response was YES. [2021-11-20 05:36:29,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5170 conditions, 3236 events. 232/3236 cut-off events. For 1387/1555 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 36092 event pairs, 70 based on Foata normal form. 18/3056 useless extension candidates. Maximal degree in co-relation 4665. Up to 140 conditions per place. [2021-11-20 05:36:29,138 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 18 selfloop transitions, 5 changer transitions 2/302 dead transitions. [2021-11-20 05:36:29,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 302 transitions, 969 flow [2021-11-20 05:36:29,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-11-20 05:36:29,141 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-11-20 05:36:29,141 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-11-20 05:36:29,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-11-20 05:36:29,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:29,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-11-20 05:36:29,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:29,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:29,147 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:29,147 INFO L186 Difference]: Start difference. First operand has 287 places, 294 transitions, 894 flow. Second operand 3 states and 793 transitions. [2021-11-20 05:36:29,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 302 transitions, 969 flow [2021-11-20 05:36:29,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 302 transitions, 966 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 05:36:29,163 INFO L242 Difference]: Finished difference. Result has 290 places, 295 transitions, 924 flow [2021-11-20 05:36:29,164 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=891, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=924, PETRI_PLACES=290, PETRI_TRANSITIONS=295} [2021-11-20 05:36:29,165 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 41 predicate places. [2021-11-20 05:36:29,165 INFO L470 AbstractCegarLoop]: Abstraction has has 290 places, 295 transitions, 924 flow [2021-11-20 05:36:29,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:29,165 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:29,166 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] [2021-11-20 05:36:29,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 05:36:29,166 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:29,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:29,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1342359111, now seen corresponding path program 1 times [2021-11-20 05:36:29,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:29,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963145708] [2021-11-20 05:36:29,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:29,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:29,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:29,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963145708] [2021-11-20 05:36:29,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963145708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:29,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:29,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:36:29,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282980339] [2021-11-20 05:36:29,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:29,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:36:29,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:29,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:36:29,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:36:29,254 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-11-20 05:36:29,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 295 transitions, 924 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:29,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:29,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-11-20 05:36:29,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:29,778 INFO L129 PetriNetUnfolder]: 280/3039 cut-off events. [2021-11-20 05:36:29,778 INFO L130 PetriNetUnfolder]: For 1529/1836 co-relation queries the response was YES. [2021-11-20 05:36:29,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5176 conditions, 3039 events. 280/3039 cut-off events. For 1529/1836 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 33785 event pairs, 122 based on Foata normal form. 11/2852 useless extension candidates. Maximal degree in co-relation 4642. Up to 347 conditions per place. [2021-11-20 05:36:29,819 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 30 selfloop transitions, 5 changer transitions 18/314 dead transitions. [2021-11-20 05:36:29,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 314 transitions, 1080 flow [2021-11-20 05:36:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:36:29,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 05:36:29,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2297 transitions. [2021-11-20 05:36:29,827 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180655475619505 [2021-11-20 05:36:29,827 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2297 transitions. [2021-11-20 05:36:29,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2297 transitions. [2021-11-20 05:36:29,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:29,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2297 transitions. [2021-11-20 05:36:29,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 255.22222222222223) internal successors, (2297), 9 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:29,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:29,842 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:29,842 INFO L186 Difference]: Start difference. First operand has 290 places, 295 transitions, 924 flow. Second operand 9 states and 2297 transitions. [2021-11-20 05:36:29,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 314 transitions, 1080 flow [2021-11-20 05:36:29,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 314 transitions, 1062 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-11-20 05:36:29,860 INFO L242 Difference]: Finished difference. Result has 300 places, 290 transitions, 912 flow [2021-11-20 05:36:29,861 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=912, PETRI_PLACES=300, PETRI_TRANSITIONS=290} [2021-11-20 05:36:29,862 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 51 predicate places. [2021-11-20 05:36:29,863 INFO L470 AbstractCegarLoop]: Abstraction has has 300 places, 290 transitions, 912 flow [2021-11-20 05:36:29,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:29,863 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:29,864 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] [2021-11-20 05:36:29,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 05:36:29,864 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:29,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:29,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1200197174, now seen corresponding path program 1 times [2021-11-20 05:36:29,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:29,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381155757] [2021-11-20 05:36:29,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:29,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:29,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:29,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381155757] [2021-11-20 05:36:29,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381155757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:29,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:29,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 05:36:29,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598806075] [2021-11-20 05:36:29,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:29,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 05:36:29,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:29,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 05:36:29,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:36:30,001 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-11-20 05:36:30,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 290 transitions, 912 flow. Second operand has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:30,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:30,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-11-20 05:36:30,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:30,523 INFO L129 PetriNetUnfolder]: 345/3255 cut-off events. [2021-11-20 05:36:30,524 INFO L130 PetriNetUnfolder]: For 3315/3710 co-relation queries the response was YES. [2021-11-20 05:36:30,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5816 conditions, 3255 events. 345/3255 cut-off events. For 3315/3710 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 35732 event pairs, 120 based on Foata normal form. 32/3054 useless extension candidates. Maximal degree in co-relation 5782. Up to 291 conditions per place. [2021-11-20 05:36:30,571 INFO L132 encePairwiseOnDemand]: 268/278 looper letters, 27 selfloop transitions, 3 changer transitions 50/340 dead transitions. [2021-11-20 05:36:30,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 340 transitions, 1364 flow [2021-11-20 05:36:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 05:36:30,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 05:36:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2522 transitions. [2021-11-20 05:36:30,580 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9071942446043165 [2021-11-20 05:36:30,580 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2522 transitions. [2021-11-20 05:36:30,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2522 transitions. [2021-11-20 05:36:30,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:30,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2522 transitions. [2021-11-20 05:36:30,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 252.2) internal successors, (2522), 10 states have internal predecessors, (2522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:30,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 278.0) internal successors, (3058), 11 states have internal predecessors, (3058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:30,598 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 278.0) internal successors, (3058), 11 states have internal predecessors, (3058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:30,598 INFO L186 Difference]: Start difference. First operand has 300 places, 290 transitions, 912 flow. Second operand 10 states and 2522 transitions. [2021-11-20 05:36:30,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 340 transitions, 1364 flow [2021-11-20 05:36:30,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 340 transitions, 1339 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-11-20 05:36:30,624 INFO L242 Difference]: Finished difference. Result has 309 places, 290 transitions, 914 flow [2021-11-20 05:36:30,625 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=893, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=914, PETRI_PLACES=309, PETRI_TRANSITIONS=290} [2021-11-20 05:36:30,626 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 60 predicate places. [2021-11-20 05:36:30,626 INFO L470 AbstractCegarLoop]: Abstraction has has 309 places, 290 transitions, 914 flow [2021-11-20 05:36:30,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:30,627 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:30,628 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] [2021-11-20 05:36:30,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 05:36:30,628 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:30,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1580082352, now seen corresponding path program 1 times [2021-11-20 05:36:30,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:30,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889166374] [2021-11-20 05:36:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:30,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:30,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:30,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889166374] [2021-11-20 05:36:30,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889166374] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:30,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:30,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:36:30,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263504049] [2021-11-20 05:36:30,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:30,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:36:30,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:30,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:36:30,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:36:30,741 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-11-20 05:36:30,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 290 transitions, 914 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:30,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:30,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-11-20 05:36:30,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:31,509 INFO L129 PetriNetUnfolder]: 336/3901 cut-off events. [2021-11-20 05:36:31,509 INFO L130 PetriNetUnfolder]: For 1492/1805 co-relation queries the response was YES. [2021-11-20 05:36:31,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6409 conditions, 3901 events. 336/3901 cut-off events. For 1492/1805 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 46320 event pairs, 99 based on Foata normal form. 35/3660 useless extension candidates. Maximal degree in co-relation 6371. Up to 285 conditions per place. [2021-11-20 05:36:31,575 INFO L132 encePairwiseOnDemand]: 265/278 looper letters, 42 selfloop transitions, 15 changer transitions 4/316 dead transitions. [2021-11-20 05:36:31,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 316 transitions, 1145 flow [2021-11-20 05:36:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:36:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 05:36:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2253 transitions. [2021-11-20 05:36:31,583 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9004796163069544 [2021-11-20 05:36:31,584 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2253 transitions. [2021-11-20 05:36:31,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2253 transitions. [2021-11-20 05:36:31,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:31,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2253 transitions. [2021-11-20 05:36:31,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 250.33333333333334) internal successors, (2253), 9 states have internal predecessors, (2253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:31,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:31,599 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:31,600 INFO L186 Difference]: Start difference. First operand has 309 places, 290 transitions, 914 flow. Second operand 9 states and 2253 transitions. [2021-11-20 05:36:31,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 316 transitions, 1145 flow [2021-11-20 05:36:31,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 316 transitions, 1103 flow, removed 12 selfloop flow, removed 9 redundant places. [2021-11-20 05:36:31,624 INFO L242 Difference]: Finished difference. Result has 309 places, 301 transitions, 1018 flow [2021-11-20 05:36:31,624 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1018, PETRI_PLACES=309, PETRI_TRANSITIONS=301} [2021-11-20 05:36:31,625 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 60 predicate places. [2021-11-20 05:36:31,625 INFO L470 AbstractCegarLoop]: Abstraction has has 309 places, 301 transitions, 1018 flow [2021-11-20 05:36:31,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:31,626 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:31,627 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] [2021-11-20 05:36:31,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 05:36:31,627 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:31,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:31,628 INFO L85 PathProgramCache]: Analyzing trace with hash 884439034, now seen corresponding path program 1 times [2021-11-20 05:36:31,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:31,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45720489] [2021-11-20 05:36:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:31,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:31,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:31,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45720489] [2021-11-20 05:36:31,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45720489] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:31,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:31,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:31,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087221704] [2021-11-20 05:36:31,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:31,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:31,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:31,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:31,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:31,669 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-11-20 05:36:31,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 301 transitions, 1018 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:31,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:31,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-11-20 05:36:31,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:32,300 INFO L129 PetriNetUnfolder]: 248/3603 cut-off events. [2021-11-20 05:36:32,301 INFO L130 PetriNetUnfolder]: For 2055/2301 co-relation queries the response was YES. [2021-11-20 05:36:32,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6211 conditions, 3603 events. 248/3603 cut-off events. For 2055/2301 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 42347 event pairs, 91 based on Foata normal form. 2/3347 useless extension candidates. Maximal degree in co-relation 6170. Up to 161 conditions per place. [2021-11-20 05:36:32,349 INFO L132 encePairwiseOnDemand]: 268/278 looper letters, 18 selfloop transitions, 6 changer transitions 0/309 dead transitions. [2021-11-20 05:36:32,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 309 transitions, 1086 flow [2021-11-20 05:36:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-11-20 05:36:32,353 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-11-20 05:36:32,353 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-11-20 05:36:32,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-11-20 05:36:32,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:32,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-11-20 05:36:32,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:32,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:32,359 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:32,359 INFO L186 Difference]: Start difference. First operand has 309 places, 301 transitions, 1018 flow. Second operand 3 states and 790 transitions. [2021-11-20 05:36:32,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 309 transitions, 1086 flow [2021-11-20 05:36:32,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 309 transitions, 1065 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-11-20 05:36:32,391 INFO L242 Difference]: Finished difference. Result has 308 places, 305 transitions, 1045 flow [2021-11-20 05:36:32,392 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=997, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=308, PETRI_TRANSITIONS=305} [2021-11-20 05:36:32,393 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 59 predicate places. [2021-11-20 05:36:32,393 INFO L470 AbstractCegarLoop]: Abstraction has has 308 places, 305 transitions, 1045 flow [2021-11-20 05:36:32,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:32,393 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:32,394 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] [2021-11-20 05:36:32,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 05:36:32,394 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:32,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:32,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1388065760, now seen corresponding path program 1 times [2021-11-20 05:36:32,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:32,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641546387] [2021-11-20 05:36:32,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:32,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:32,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:32,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641546387] [2021-11-20 05:36:32,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641546387] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:32,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:32,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:32,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064875000] [2021-11-20 05:36:32,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:32,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:32,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:32,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:32,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:32,440 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-11-20 05:36:32,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 305 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:32,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:32,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-11-20 05:36:32,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:32,768 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][94], [278#true, Black: 491#(= ~result_10~0 0), Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 514#true, 312#true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 237#L50-30true, Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), 94#L44-30true, Black: 266#true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 272#true, Black: 458#(<= (+ |thread1Thread1of1ForFork2_#t~ite6#1| 1) 0), Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 516#(= ~filename_8~0 (* 256 (div ~filename_8~0 256))), Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), 89#L77-4true, Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0))]) [2021-11-20 05:36:32,768 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,769 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,769 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,769 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,770 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][94], [278#true, Black: 491#(= ~result_10~0 0), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 514#true, 312#true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 237#L50-30true, Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), 94#L44-30true, Black: 266#true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), 69#L56-30true, Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 272#true, Black: 458#(<= (+ |thread1Thread1of1ForFork2_#t~ite6#1| 1) 0), Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 516#(= ~filename_8~0 (* 256 (div ~filename_8~0 256))), Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0)), 89#L77-4true]) [2021-11-20 05:36:32,770 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,770 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,770 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,770 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,771 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,772 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][94], [278#true, Black: 491#(= ~result_10~0 0), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 514#true, 312#true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 237#L50-30true, Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 272#true, Black: 458#(<= (+ |thread1Thread1of1ForFork2_#t~ite6#1| 1) 0), Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 516#(= ~filename_8~0 (* 256 (div ~filename_8~0 256))), Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0)), 89#L77-4true]) [2021-11-20 05:36:32,772 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,772 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,772 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,772 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,773 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,773 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,891 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][94], [Black: 491#(= ~result_10~0 0), 278#true, Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 514#true, 312#true, 237#L50-30true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), 94#L44-30true, Black: 266#true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), 69#L56-30true, Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 272#true, Black: 458#(<= (+ |thread1Thread1of1ForFork2_#t~ite6#1| 1) 0), Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 516#(= ~filename_8~0 (* 256 (div ~filename_8~0 256))), Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0)), 89#L77-4true]) [2021-11-20 05:36:32,891 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,891 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,891 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,891 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,892 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,892 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:32,892 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,162 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][94], [278#true, Black: 491#(= ~result_10~0 0), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 514#true, 312#true, 237#L50-30true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 272#true, Black: 458#(<= (+ |thread1Thread1of1ForFork2_#t~ite6#1| 1) 0), Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 516#(= ~filename_8~0 (* 256 (div ~filename_8~0 256))), Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0)), 89#L77-4true]) [2021-11-20 05:36:33,162 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2021-11-20 05:36:33,162 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,162 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,163 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,163 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,163 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,163 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,163 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,164 INFO L382 tUnfolder$Statistics]: inserting event number 9 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][94], [278#true, Black: 491#(= ~result_10~0 0), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 514#true, 312#true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 237#L50-30true, 94#L44-30true, Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 272#true, Black: 458#(<= (+ |thread1Thread1of1ForFork2_#t~ite6#1| 1) 0), Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 516#(= ~filename_8~0 (* 256 (div ~filename_8~0 256))), Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0)), 89#L77-4true]) [2021-11-20 05:36:33,164 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2021-11-20 05:36:33,164 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,164 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,164 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,164 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,165 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,165 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,165 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:33,165 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-20 05:36:33,242 INFO L129 PetriNetUnfolder]: 259/4746 cut-off events. [2021-11-20 05:36:33,243 INFO L130 PetriNetUnfolder]: For 3148/3770 co-relation queries the response was YES. [2021-11-20 05:36:33,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8304 conditions, 4746 events. 259/4746 cut-off events. For 3148/3770 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 58584 event pairs, 89 based on Foata normal form. 8/4446 useless extension candidates. Maximal degree in co-relation 8148. Up to 246 conditions per place. [2021-11-20 05:36:33,332 INFO L132 encePairwiseOnDemand]: 274/278 looper letters, 17 selfloop transitions, 2 changer transitions 4/312 dead transitions. [2021-11-20 05:36:33,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 312 transitions, 1102 flow [2021-11-20 05:36:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:33,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-11-20 05:36:33,337 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-11-20 05:36:33,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-11-20 05:36:33,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-11-20 05:36:33,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:33,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-11-20 05:36:33,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:33,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:33,344 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:33,344 INFO L186 Difference]: Start difference. First operand has 308 places, 305 transitions, 1045 flow. Second operand 3 states and 795 transitions. [2021-11-20 05:36:33,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 312 transitions, 1102 flow [2021-11-20 05:36:33,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 312 transitions, 1090 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 05:36:33,386 INFO L242 Difference]: Finished difference. Result has 310 places, 303 transitions, 1034 flow [2021-11-20 05:36:33,387 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1034, PETRI_PLACES=310, PETRI_TRANSITIONS=303} [2021-11-20 05:36:33,387 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 61 predicate places. [2021-11-20 05:36:33,388 INFO L470 AbstractCegarLoop]: Abstraction has has 310 places, 303 transitions, 1034 flow [2021-11-20 05:36:33,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:33,388 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:33,389 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] [2021-11-20 05:36:33,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 05:36:33,389 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:33,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:33,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1006525016, now seen corresponding path program 2 times [2021-11-20 05:36:33,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:33,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857126577] [2021-11-20 05:36:33,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:33,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:33,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:33,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857126577] [2021-11-20 05:36:33,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857126577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:33,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:33,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:33,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939173018] [2021-11-20 05:36:33,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:33,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:33,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:33,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:33,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:33,428 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-11-20 05:36:33,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 303 transitions, 1034 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:33,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:33,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-11-20 05:36:33,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:33,998 INFO L129 PetriNetUnfolder]: 312/4469 cut-off events. [2021-11-20 05:36:33,998 INFO L130 PetriNetUnfolder]: For 2741/3398 co-relation queries the response was YES. [2021-11-20 05:36:34,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7725 conditions, 4469 events. 312/4469 cut-off events. For 2741/3398 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 51382 event pairs, 94 based on Foata normal form. 10/4172 useless extension candidates. Maximal degree in co-relation 7592. Up to 258 conditions per place. [2021-11-20 05:36:34,061 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 24 selfloop transitions, 4 changer transitions 0/311 dead transitions. [2021-11-20 05:36:34,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 311 transitions, 1118 flow [2021-11-20 05:36:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:34,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-11-20 05:36:34,064 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-11-20 05:36:34,064 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-11-20 05:36:34,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-11-20 05:36:34,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:34,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-11-20 05:36:34,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:34,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:34,070 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:34,071 INFO L186 Difference]: Start difference. First operand has 310 places, 303 transitions, 1034 flow. Second operand 3 states and 790 transitions. [2021-11-20 05:36:34,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 311 transitions, 1118 flow [2021-11-20 05:36:34,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 311 transitions, 1114 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-11-20 05:36:34,100 INFO L242 Difference]: Finished difference. Result has 310 places, 307 transitions, 1078 flow [2021-11-20 05:36:34,100 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1030, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1078, PETRI_PLACES=310, PETRI_TRANSITIONS=307} [2021-11-20 05:36:34,101 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 61 predicate places. [2021-11-20 05:36:34,101 INFO L470 AbstractCegarLoop]: Abstraction has has 310 places, 307 transitions, 1078 flow [2021-11-20 05:36:34,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:34,102 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:34,102 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] [2021-11-20 05:36:34,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 05:36:34,102 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:34,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:34,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1900851846, now seen corresponding path program 1 times [2021-11-20 05:36:34,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:34,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232412091] [2021-11-20 05:36:34,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:34,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:34,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:34,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232412091] [2021-11-20 05:36:34,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232412091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:34,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:34,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:34,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631910607] [2021-11-20 05:36:34,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:34,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:34,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:34,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:34,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:34,141 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-11-20 05:36:34,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 307 transitions, 1078 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:34,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:34,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-11-20 05:36:34,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:34,721 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][90], [Black: 491#(= ~result_10~0 0), 278#true, Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 516#(= ~filename_8~0 (* 256 (div ~filename_8~0 256))), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), 312#true, Black: 520#true, 237#L50-30true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 526#true, Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 534#(not (= ~filename_5~0 (* 256 (div ~filename_5~0 256)))), Black: 272#true, 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), 528#(not (= ~filename_8~0 (* 256 (div ~filename_8~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), 89#L77-4true, Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0))]) [2021-11-20 05:36:34,721 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,721 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,721 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,721 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,721 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][90], [Black: 491#(= ~result_10~0 0), 278#true, Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 514#true, Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), 312#true, Black: 520#true, 237#L50-30true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 534#(not (= ~filename_5~0 (* 256 (div ~filename_5~0 256)))), Black: 528#(not (= ~filename_8~0 (* 256 (div ~filename_8~0 256)))), Black: 272#true, Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 526#true, Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), 89#L77-4true, Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0))]) [2021-11-20 05:36:34,721 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,721 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,721 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,722 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,722 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][90], [278#true, Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 514#true, Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), 491#(= ~result_10~0 0), 312#true, Black: 520#true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 534#(not (= ~filename_5~0 (* 256 (div ~filename_5~0 256)))), Black: 528#(not (= ~filename_8~0 (* 256 (div ~filename_8~0 256)))), Black: 272#true, Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 399#(= ~result_10~0 0), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 526#true, Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), 175#L50-13true, Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), 89#L77-4true, Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0))]) [2021-11-20 05:36:34,722 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-11-20 05:36:34,722 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,722 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,722 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,722 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][90], [278#true, Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 516#(= ~filename_8~0 (* 256 (div ~filename_8~0 256))), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), 491#(= ~result_10~0 0), 312#true, 153#L50-11true, Black: 520#true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 526#true, Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 534#(not (= ~filename_5~0 (* 256 (div ~filename_5~0 256)))), Black: 272#true, Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 399#(= ~result_10~0 0), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), 528#(not (= ~filename_8~0 (* 256 (div ~filename_8~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), 89#L77-4true, Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0))]) [2021-11-20 05:36:34,722 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-11-20 05:36:34,723 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,723 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,723 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,744 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][200], [278#true, Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 516#(= ~filename_8~0 (* 256 (div ~filename_8~0 256))), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), 491#(= ~result_10~0 0), 312#true, 153#L50-11true, Black: 520#true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 526#true, Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 534#(not (= ~filename_5~0 (* 256 (div ~filename_5~0 256)))), Black: 272#true, Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 399#(= ~result_10~0 0), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), 528#(not (= ~filename_8~0 (* 256 (div ~filename_8~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), 89#L77-4true, Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0))]) [2021-11-20 05:36:34,744 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-11-20 05:36:34,744 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,744 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,744 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,744 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][200], [278#true, Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 514#true, Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), 491#(= ~result_10~0 0), 312#true, Black: 520#true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 534#(not (= ~filename_5~0 (* 256 (div ~filename_5~0 256)))), Black: 528#(not (= ~filename_8~0 (* 256 (div ~filename_8~0 256)))), Black: 272#true, Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 399#(= ~result_10~0 0), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 526#true, Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), 175#L50-13true, Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), 89#L77-4true, Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0))]) [2021-11-20 05:36:34,745 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-11-20 05:36:34,745 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,745 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,745 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-11-20 05:36:34,783 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][90], [Black: 491#(= ~result_10~0 0), 278#true, Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 514#true, Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), 312#true, Black: 520#true, 237#L50-30true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 266#true, Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 534#(not (= ~filename_5~0 (* 256 (div ~filename_5~0 256)))), Black: 528#(not (= ~filename_8~0 (* 256 (div ~filename_8~0 256)))), Black: 272#true, Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 526#true, Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), 89#L77-4true, Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0))]) [2021-11-20 05:36:34,783 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,783 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,783 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,783 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,784 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,784 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][90], [Black: 491#(= ~result_10~0 0), 278#true, Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 514#true, 312#true, Black: 520#true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 237#L50-30true, 94#L44-30true, Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), 69#L56-30true, Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 534#(not (= ~filename_5~0 (* 256 (div ~filename_5~0 256)))), Black: 528#(not (= ~filename_8~0 (* 256 (div ~filename_8~0 256)))), Black: 272#true, Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 526#true, Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), 89#L77-4true, Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0))]) [2021-11-20 05:36:34,784 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,785 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,785 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,785 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,785 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,785 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,908 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][90], [Black: 491#(= ~result_10~0 0), 278#true, Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 514#true, 312#true, Black: 520#true, 237#L50-30true, Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), Black: 266#true, 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 534#(not (= ~filename_5~0 (* 256 (div ~filename_5~0 256)))), Black: 528#(not (= ~filename_8~0 (* 256 (div ~filename_8~0 256)))), Black: 272#true, Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 526#true, Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), 89#L77-4true, Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0))]) [2021-11-20 05:36:34,908 INFO L384 tUnfolder$Statistics]: this new event has 135 ancestors and is cut-off event [2021-11-20 05:36:34,908 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,908 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,908 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,908 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,908 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-11-20 05:36:34,908 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,959 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([672] L44-29-->L44-30: Formula: (= v_~result_9~0_1 |v_thread1Thread1of1ForFork2_#t~ite7#1_5|) InVars {thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|} OutVars{thread1Thread1of1ForFork2_#t~ite7#1=|v_thread1Thread1of1ForFork2_#t~ite7#1_5|, ~result_9~0=v_~result_9~0_1} AuxVars[] AssignedVars[~result_9~0][90], [278#true, Black: 491#(= ~result_10~0 0), Black: 499#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 442#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 436#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0)), Black: 432#(<= (+ ~result_10~0 1) 0), Black: 430#(<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0), Black: 438#(and (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite14#1|) 0) (<= (+ 1 |thread2Thread1of1ForFork0_#t~ite13#1|) 0) (<= (+ ~result_10~0 1) 0)), Black: 514#true, 312#true, Black: 522#(not (= ~filename_2~0 (* 256 (div ~filename_2~0 256)))), Black: 322#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 237#L50-30true, Black: 266#true, Black: 314#(= |thread3Thread1of1ForFork1_#t~ite15#1| 1), 94#L44-30true, 69#L56-30true, Black: 316#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 320#(and (= |thread3Thread1of1ForFork1_#t~ite21#1| 1) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), Black: 325#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread3Thread1of1ForFork1_#t~ite15#1| 1)), 534#(not (= ~filename_5~0 (* 256 (div ~filename_5~0 256)))), Black: 528#(not (= ~filename_8~0 (* 256 (div ~filename_8~0 256)))), Black: 272#true, Black: 418#(not (= ~isNull_3~0 (* 256 (div ~isNull_3~0 256)))), Black: 422#true, Black: 288#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|)), Black: 291#(and (or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)) (= |thread2Thread1of1ForFork0_#t~ite8#1| 0)), Black: 282#(or (<= ~result_10~0 0) (< 0 ~result_11~0) (<= ~result_9~0 0)), Black: 280#(= |thread2Thread1of1ForFork0_#t~ite8#1| 0), 526#true, Black: 367#(not (= ~isNull_0~0 (* 256 (div ~isNull_0~0 256)))), Black: 308#(not (= ~isNull_6~0 (* 256 (div ~isNull_6~0 256)))), Black: 497#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 501#(and (= ~result_10~0 0) (= 0 |thread2Thread1of1ForFork0_#t~ite14#1|) (= 0 |thread2Thread1of1ForFork0_#t~ite13#1|) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0) (= 0 |thread2Thread1of1ForFork0_#t~ite12#1|)), Black: 495#(and (= ~result_10~0 0) (= |thread2Thread1of1ForFork0_#t~ite9#1| 0)), 89#L77-4true]) [2021-11-20 05:36:34,959 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,959 INFO L387 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2021-11-20 05:36:34,959 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-20 05:36:34,959 INFO L387 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2021-11-20 05:36:35,081 INFO L129 PetriNetUnfolder]: 448/7101 cut-off events. [2021-11-20 05:36:35,081 INFO L130 PetriNetUnfolder]: For 5673/7268 co-relation queries the response was YES. [2021-11-20 05:36:35,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12652 conditions, 7101 events. 448/7101 cut-off events. For 5673/7268 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 90864 event pairs, 147 based on Foata normal form. 8/6698 useless extension candidates. Maximal degree in co-relation 12393. Up to 443 conditions per place. [2021-11-20 05:36:35,196 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 19 selfloop transitions, 3 changer transitions 3/315 dead transitions. [2021-11-20 05:36:35,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 315 transitions, 1143 flow [2021-11-20 05:36:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-11-20 05:36:35,203 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-11-20 05:36:35,203 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-11-20 05:36:35,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-11-20 05:36:35,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:35,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-11-20 05:36:35,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:35,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:35,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:35,212 INFO L186 Difference]: Start difference. First operand has 310 places, 307 transitions, 1078 flow. Second operand 3 states and 793 transitions. [2021-11-20 05:36:35,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 315 transitions, 1143 flow [2021-11-20 05:36:35,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 315 transitions, 1131 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-11-20 05:36:35,260 INFO L242 Difference]: Finished difference. Result has 313 places, 307 transitions, 1070 flow [2021-11-20 05:36:35,261 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1070, PETRI_PLACES=313, PETRI_TRANSITIONS=307} [2021-11-20 05:36:35,261 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 64 predicate places. [2021-11-20 05:36:35,261 INFO L470 AbstractCegarLoop]: Abstraction has has 313 places, 307 transitions, 1070 flow [2021-11-20 05:36:35,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:35,262 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:35,262 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] [2021-11-20 05:36:35,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 05:36:35,263 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:35,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:35,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1506951608, now seen corresponding path program 2 times [2021-11-20 05:36:35,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:35,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759632986] [2021-11-20 05:36:35,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:35,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:35,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:35,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759632986] [2021-11-20 05:36:35,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759632986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:35,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:35,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:35,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778880764] [2021-11-20 05:36:35,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:35,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:35,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:35,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:35,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:35,299 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-11-20 05:36:35,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 307 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:35,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:35,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-11-20 05:36:35,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:36,034 INFO L129 PetriNetUnfolder]: 300/5627 cut-off events. [2021-11-20 05:36:36,034 INFO L130 PetriNetUnfolder]: For 3724/4655 co-relation queries the response was YES. [2021-11-20 05:36:36,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9687 conditions, 5627 events. 300/5627 cut-off events. For 3724/4655 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 66313 event pairs, 148 based on Foata normal form. 7/5279 useless extension candidates. Maximal degree in co-relation 9436. Up to 338 conditions per place. [2021-11-20 05:36:36,088 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 17 selfloop transitions, 4 changer transitions 21/314 dead transitions. [2021-11-20 05:36:36,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 314 transitions, 1135 flow [2021-11-20 05:36:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-11-20 05:36:36,090 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-11-20 05:36:36,090 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-11-20 05:36:36,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-11-20 05:36:36,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:36,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-11-20 05:36:36,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:36,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:36,095 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:36,095 INFO L186 Difference]: Start difference. First operand has 313 places, 307 transitions, 1070 flow. Second operand 3 states and 795 transitions. [2021-11-20 05:36:36,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 314 transitions, 1135 flow [2021-11-20 05:36:36,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 314 transitions, 1132 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 05:36:36,129 INFO L242 Difference]: Finished difference. Result has 316 places, 288 transitions, 967 flow [2021-11-20 05:36:36,129 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1067, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=967, PETRI_PLACES=316, PETRI_TRANSITIONS=288} [2021-11-20 05:36:36,130 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 67 predicate places. [2021-11-20 05:36:36,130 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 288 transitions, 967 flow [2021-11-20 05:36:36,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:36,131 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:36,131 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] [2021-11-20 05:36:36,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 05:36:36,131 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1508504880, now seen corresponding path program 1 times [2021-11-20 05:36:36,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:36,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495052911] [2021-11-20 05:36:36,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:36,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:36,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:36,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495052911] [2021-11-20 05:36:36,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495052911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:36,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:36,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:36,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432881676] [2021-11-20 05:36:36,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:36,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:36:36,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:36,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:36:36,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:36:36,163 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-11-20 05:36:36,164 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 288 transitions, 967 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:36,164 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:36,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-11-20 05:36:36,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:36,743 INFO L129 PetriNetUnfolder]: 199/4280 cut-off events. [2021-11-20 05:36:36,743 INFO L130 PetriNetUnfolder]: For 2955/3572 co-relation queries the response was YES. [2021-11-20 05:36:36,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7285 conditions, 4280 events. 199/4280 cut-off events. For 2955/3572 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 48490 event pairs, 108 based on Foata normal form. 9/4021 useless extension candidates. Maximal degree in co-relation 7250. Up to 220 conditions per place. [2021-11-20 05:36:36,776 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 20 selfloop transitions, 5 changer transitions 0/296 dead transitions. [2021-11-20 05:36:36,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 296 transitions, 1044 flow [2021-11-20 05:36:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:36:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:36:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-11-20 05:36:36,779 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-11-20 05:36:36,779 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-11-20 05:36:36,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-11-20 05:36:36,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:36,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-11-20 05:36:36,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:36,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:36,785 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:36,785 INFO L186 Difference]: Start difference. First operand has 316 places, 288 transitions, 967 flow. Second operand 3 states and 793 transitions. [2021-11-20 05:36:36,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 296 transitions, 1044 flow [2021-11-20 05:36:36,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 296 transitions, 1002 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-11-20 05:36:36,819 INFO L242 Difference]: Finished difference. Result has 295 places, 291 transitions, 969 flow [2021-11-20 05:36:36,820 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=969, PETRI_PLACES=295, PETRI_TRANSITIONS=291} [2021-11-20 05:36:36,820 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 46 predicate places. [2021-11-20 05:36:36,821 INFO L470 AbstractCegarLoop]: Abstraction has has 295 places, 291 transitions, 969 flow [2021-11-20 05:36:36,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:36,821 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:36,821 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] [2021-11-20 05:36:36,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 05:36:36,822 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:36,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:36,823 INFO L85 PathProgramCache]: Analyzing trace with hash 2010959466, now seen corresponding path program 1 times [2021-11-20 05:36:36,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:36,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516527519] [2021-11-20 05:36:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:36,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:36,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:36,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516527519] [2021-11-20 05:36:36,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516527519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:36,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:36,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 05:36:36,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350742239] [2021-11-20 05:36:36,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:36,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 05:36:36,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:36,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 05:36:36,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:36:36,939 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 278 [2021-11-20 05:36:36,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 291 transitions, 969 flow. Second operand has 10 states, 10 states have (on average 243.4) internal successors, (2434), 10 states have internal predecessors, (2434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:36,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:36,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 278 [2021-11-20 05:36:36,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:38,465 INFO L129 PetriNetUnfolder]: 1524/8434 cut-off events. [2021-11-20 05:36:38,465 INFO L130 PetriNetUnfolder]: For 9826/11560 co-relation queries the response was YES. [2021-11-20 05:36:38,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18254 conditions, 8434 events. 1524/8434 cut-off events. For 9826/11560 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 106335 event pairs, 916 based on Foata normal form. 18/7754 useless extension candidates. Maximal degree in co-relation 18223. Up to 1896 conditions per place. [2021-11-20 05:36:38,549 INFO L132 encePairwiseOnDemand]: 263/278 looper letters, 66 selfloop transitions, 16 changer transitions 31/358 dead transitions. [2021-11-20 05:36:38,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 358 transitions, 1570 flow [2021-11-20 05:36:38,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 05:36:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-20 05:36:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4438 transitions. [2021-11-20 05:36:38,557 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8868904876099121 [2021-11-20 05:36:38,557 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 4438 transitions. [2021-11-20 05:36:38,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 4438 transitions. [2021-11-20 05:36:38,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:38,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 4438 transitions. [2021-11-20 05:36:38,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 246.55555555555554) internal successors, (4438), 18 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:38,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 278.0) internal successors, (5282), 19 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:38,583 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 278.0) internal successors, (5282), 19 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:38,583 INFO L186 Difference]: Start difference. First operand has 295 places, 291 transitions, 969 flow. Second operand 18 states and 4438 transitions. [2021-11-20 05:36:38,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 358 transitions, 1570 flow [2021-11-20 05:36:38,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 358 transitions, 1554 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-11-20 05:36:38,649 INFO L242 Difference]: Finished difference. Result has 321 places, 299 transitions, 1066 flow [2021-11-20 05:36:38,649 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=953, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1066, PETRI_PLACES=321, PETRI_TRANSITIONS=299} [2021-11-20 05:36:38,650 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 72 predicate places. [2021-11-20 05:36:38,650 INFO L470 AbstractCegarLoop]: Abstraction has has 321 places, 299 transitions, 1066 flow [2021-11-20 05:36:38,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 243.4) internal successors, (2434), 10 states have internal predecessors, (2434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:38,651 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:38,652 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] [2021-11-20 05:36:38,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 05:36:38,652 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:38,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:38,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1153784746, now seen corresponding path program 1 times [2021-11-20 05:36:38,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:38,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316745064] [2021-11-20 05:36:38,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:38,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:38,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:38,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316745064] [2021-11-20 05:36:38,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316745064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:38,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:38,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:36:38,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223810828] [2021-11-20 05:36:38,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:38,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:36:38,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:38,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:36:38,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:36:38,740 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-11-20 05:36:38,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 299 transitions, 1066 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:38,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:38,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-11-20 05:36:38,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:39,704 INFO L129 PetriNetUnfolder]: 578/4439 cut-off events. [2021-11-20 05:36:39,705 INFO L130 PetriNetUnfolder]: For 1988/2573 co-relation queries the response was YES. [2021-11-20 05:36:39,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8113 conditions, 4439 events. 578/4439 cut-off events. For 1988/2573 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 50719 event pairs, 429 based on Foata normal form. 13/4038 useless extension candidates. Maximal degree in co-relation 8071. Up to 1379 conditions per place. [2021-11-20 05:36:39,751 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 34 selfloop transitions, 9 changer transitions 15/329 dead transitions. [2021-11-20 05:36:39,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 329 transitions, 1271 flow [2021-11-20 05:36:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 05:36:39,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-20 05:36:39,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3239 transitions. [2021-11-20 05:36:39,763 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8962368566685114 [2021-11-20 05:36:39,764 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3239 transitions. [2021-11-20 05:36:39,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3239 transitions. [2021-11-20 05:36:39,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:39,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3239 transitions. [2021-11-20 05:36:39,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 249.15384615384616) internal successors, (3239), 13 states have internal predecessors, (3239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:39,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:39,778 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:39,779 INFO L186 Difference]: Start difference. First operand has 321 places, 299 transitions, 1066 flow. Second operand 13 states and 3239 transitions. [2021-11-20 05:36:39,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 329 transitions, 1271 flow [2021-11-20 05:36:39,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 329 transitions, 1226 flow, removed 15 selfloop flow, removed 9 redundant places. [2021-11-20 05:36:39,804 INFO L242 Difference]: Finished difference. Result has 333 places, 305 transitions, 1096 flow [2021-11-20 05:36:39,804 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1096, PETRI_PLACES=333, PETRI_TRANSITIONS=305} [2021-11-20 05:36:39,805 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 84 predicate places. [2021-11-20 05:36:39,805 INFO L470 AbstractCegarLoop]: Abstraction has has 333 places, 305 transitions, 1096 flow [2021-11-20 05:36:39,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:39,806 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:39,806 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] [2021-11-20 05:36:39,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 05:36:39,807 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:39,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:39,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1531422806, now seen corresponding path program 1 times [2021-11-20 05:36:39,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:39,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631982628] [2021-11-20 05:36:39,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:39,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:39,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:39,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:39,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631982628] [2021-11-20 05:36:39,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631982628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:39,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:39,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 05:36:39,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137003998] [2021-11-20 05:36:39,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:39,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 05:36:39,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:39,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 05:36:39,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:36:39,935 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 278 [2021-11-20 05:36:39,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 305 transitions, 1096 flow. Second operand has 10 states, 10 states have (on average 243.4) internal successors, (2434), 10 states have internal predecessors, (2434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:39,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:39,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 278 [2021-11-20 05:36:39,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:36:41,139 INFO L129 PetriNetUnfolder]: 1079/6912 cut-off events. [2021-11-20 05:36:41,139 INFO L130 PetriNetUnfolder]: For 13922/15624 co-relation queries the response was YES. [2021-11-20 05:36:41,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16252 conditions, 6912 events. 1079/6912 cut-off events. For 13922/15624 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 84437 event pairs, 756 based on Foata normal form. 158/6514 useless extension candidates. Maximal degree in co-relation 16202. Up to 1519 conditions per place. [2021-11-20 05:36:41,239 INFO L132 encePairwiseOnDemand]: 264/278 looper letters, 59 selfloop transitions, 11 changer transitions 32/373 dead transitions. [2021-11-20 05:36:41,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 373 transitions, 1752 flow [2021-11-20 05:36:41,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 05:36:41,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-20 05:36:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3451 transitions. [2021-11-20 05:36:41,245 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8866906474820144 [2021-11-20 05:36:41,245 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 3451 transitions. [2021-11-20 05:36:41,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 3451 transitions. [2021-11-20 05:36:41,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:41,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 3451 transitions. [2021-11-20 05:36:41,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 246.5) internal successors, (3451), 14 states have internal predecessors, (3451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:41,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 278.0) internal successors, (4170), 15 states have internal predecessors, (4170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:41,258 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 278.0) internal successors, (4170), 15 states have internal predecessors, (4170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:41,258 INFO L186 Difference]: Start difference. First operand has 333 places, 305 transitions, 1096 flow. Second operand 14 states and 3451 transitions. [2021-11-20 05:36:41,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 373 transitions, 1752 flow [2021-11-20 05:36:41,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 373 transitions, 1745 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-11-20 05:36:41,389 INFO L242 Difference]: Finished difference. Result has 352 places, 313 transitions, 1176 flow [2021-11-20 05:36:41,389 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1091, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1176, PETRI_PLACES=352, PETRI_TRANSITIONS=313} [2021-11-20 05:36:41,390 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 103 predicate places. [2021-11-20 05:36:41,390 INFO L470 AbstractCegarLoop]: Abstraction has has 352 places, 313 transitions, 1176 flow [2021-11-20 05:36:41,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 243.4) internal successors, (2434), 10 states have internal predecessors, (2434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:41,391 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:36:41,391 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:36:41,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-20 05:36:41,392 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:36:41,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:41,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1578157554, now seen corresponding path program 1 times [2021-11-20 05:36:41,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:41,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953493654] [2021-11-20 05:36:41,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:41,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:42,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:42,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953493654] [2021-11-20 05:36:42,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953493654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:42,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:42,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-11-20 05:36:42,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180282731] [2021-11-20 05:36:42,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:42,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-20 05:36:42,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:42,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-20 05:36:42,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2021-11-20 05:36:42,056 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 278 [2021-11-20 05:36:42,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 313 transitions, 1176 flow. Second operand has 34 states, 34 states have (on average 180.3235294117647) internal successors, (6131), 34 states have internal predecessors, (6131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:42,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:36:42,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 278 [2021-11-20 05:36:42,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:37:48,458 INFO L129 PetriNetUnfolder]: 68478/144484 cut-off events. [2021-11-20 05:37:48,458 INFO L130 PetriNetUnfolder]: For 202693/203778 co-relation queries the response was YES. [2021-11-20 05:37:50,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 383339 conditions, 144484 events. 68478/144484 cut-off events. For 202693/203778 co-relation queries the response was YES. Maximal size of possible extension queue 2410. Compared 1655579 event pairs, 31102 based on Foata normal form. 583/140967 useless extension candidates. Maximal degree in co-relation 383280. Up to 53406 conditions per place. [2021-11-20 05:37:50,726 INFO L132 encePairwiseOnDemand]: 230/278 looper letters, 1430 selfloop transitions, 293 changer transitions 827/2734 dead transitions. [2021-11-20 05:37:50,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 2734 transitions, 17090 flow [2021-11-20 05:37:50,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2021-11-20 05:37:50,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2021-11-20 05:37:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 68121 transitions. [2021-11-20 05:37:50,812 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6640638708545359 [2021-11-20 05:37:50,812 INFO L72 ComplementDD]: Start complementDD. Operand 369 states and 68121 transitions. [2021-11-20 05:37:50,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 369 states and 68121 transitions. [2021-11-20 05:37:50,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:37:50,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 369 states and 68121 transitions. [2021-11-20 05:37:51,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 370 states, 369 states have (on average 184.609756097561) internal successors, (68121), 369 states have internal predecessors, (68121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:51,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 370 states, 370 states have (on average 278.0) internal successors, (102860), 370 states have internal predecessors, (102860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:51,305 INFO L81 ComplementDD]: Finished complementDD. Result has 370 states, 370 states have (on average 278.0) internal successors, (102860), 370 states have internal predecessors, (102860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:51,306 INFO L186 Difference]: Start difference. First operand has 352 places, 313 transitions, 1176 flow. Second operand 369 states and 68121 transitions. [2021-11-20 05:37:51,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 2734 transitions, 17090 flow [2021-11-20 05:37:59,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 714 places, 2734 transitions, 17079 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-11-20 05:37:59,957 INFO L242 Difference]: Finished difference. Result has 1071 places, 630 transitions, 4950 flow [2021-11-20 05:37:59,958 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1167, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=369, PETRI_FLOW=4950, PETRI_PLACES=1071, PETRI_TRANSITIONS=630} [2021-11-20 05:37:59,958 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 822 predicate places. [2021-11-20 05:37:59,959 INFO L470 AbstractCegarLoop]: Abstraction has has 1071 places, 630 transitions, 4950 flow [2021-11-20 05:37:59,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 180.3235294117647) internal successors, (6131), 34 states have internal predecessors, (6131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:59,959 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:37:59,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:37:59,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-20 05:37:59,960 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 05:37:59,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:37:59,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1503903320, now seen corresponding path program 2 times [2021-11-20 05:37:59,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:37:59,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416799395] [2021-11-20 05:37:59,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:37:59,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:37:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:38:00,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:38:00,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416799395] [2021-11-20 05:38:00,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416799395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:38:00,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:38:00,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-11-20 05:38:00,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380039692] [2021-11-20 05:38:00,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:38:00,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-20 05:38:00,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:38:00,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-20 05:38:00,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2021-11-20 05:38:00,586 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 278 [2021-11-20 05:38:00,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1071 places, 630 transitions, 4950 flow. Second operand has 34 states, 34 states have (on average 180.3235294117647) internal successors, (6131), 34 states have internal predecessors, (6131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:38:00,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:38:00,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 278 [2021-11-20 05:38:00,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand