./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fe3fcfd23f0db0414af322b91d2d32e3943484ebce4a900c0ef2633a5499508 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:35:50,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:35:50,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:35:50,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:35:50,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:35:50,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:35:50,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:35:50,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:35:50,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:35:50,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:35:50,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:35:50,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:35:50,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:35:50,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:35:50,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:35:50,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:35:50,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:35:50,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:35:50,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:35:50,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:35:50,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:35:50,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:35:50,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:35:50,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:35:50,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:35:50,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:35:50,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:35:50,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:35:50,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:35:50,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:35:50,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:35:50,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:35:50,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:35:50,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:35:50,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:35:50,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:35:50,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:35:50,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:35:50,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:35:50,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:35:50,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:35:50,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:35:50,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:35:50,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:35:50,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:35:50,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:35:50,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:35:50,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:35:50,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:35:50,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:35:50,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:35:50,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:35:50,548 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:35:50,549 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:35:50,549 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:35:50,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:35:50,549 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:35:50,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:35:50,550 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:35:50,550 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:35:50,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:35:50,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:50,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:35:50,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:35:50,551 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:35:50,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:35:50,552 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_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fe3fcfd23f0db0414af322b91d2d32e3943484ebce4a900c0ef2633a5499508 [2021-11-23 01:35:50,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:35:50,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:35:50,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:35:50,961 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:35:50,963 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:35:50,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i [2021-11-23 01:35:51,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/data/429101a06/bf2c2538b45e4492a011837bcd58119e/FLAG1e7ca6841 [2021-11-23 01:35:51,663 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:35:51,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i [2021-11-23 01:35:51,690 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/data/429101a06/bf2c2538b45e4492a011837bcd58119e/FLAG1e7ca6841 [2021-11-23 01:35:51,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/data/429101a06/bf2c2538b45e4492a011837bcd58119e [2021-11-23 01:35:51,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:35:51,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:35:51,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:51,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:35:51,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:35:51,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:51" (1/1) ... [2021-11-23 01:35:51,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752fd953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:51, skipping insertion in model container [2021-11-23 01:35:51,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:51" (1/1) ... [2021-11-23 01:35:51,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:35:52,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:35:52,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:52,469 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:35:52,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:52,623 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:35:52,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52 WrapperNode [2021-11-23 01:35:52,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:52,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:52,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:35:52,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:35:52,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52" (1/1) ... [2021-11-23 01:35:52,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52" (1/1) ... [2021-11-23 01:35:52,695 INFO L137 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2021-11-23 01:35:52,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:52,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:35:52,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:35:52,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:35:52,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52" (1/1) ... [2021-11-23 01:35:52,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52" (1/1) ... [2021-11-23 01:35:52,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52" (1/1) ... [2021-11-23 01:35:52,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52" (1/1) ... [2021-11-23 01:35:52,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52" (1/1) ... [2021-11-23 01:35:52,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52" (1/1) ... [2021-11-23 01:35:52,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52" (1/1) ... [2021-11-23 01:35:52,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:35:52,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:35:52,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:35:52,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:35:52,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:52" (1/1) ... [2021-11-23 01:35:52,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:52,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:35:52,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:35:52,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20de2ef0-fbbb-4d10-a239-7e1b6a49e07b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:35:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:35:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:35:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:35:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:35:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:35:52,938 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:35:52,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:35:53,387 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:35:53,466 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:35:53,466 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:35:53,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:53 BoogieIcfgContainer [2021-11-23 01:35:53,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:35:53,472 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:35:53,472 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:35:53,486 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:35:53,486 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:53" (1/1) ... [2021-11-23 01:35:53,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:35:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 88 states and 96 transitions. [2021-11-23 01:35:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2021-11-23 01:35:53,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:35:53,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:53,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:53,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2021-11-23 01:35:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2021-11-23 01:35:53,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:35:53,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:53,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 92 states and 102 transitions. [2021-11-23 01:35:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2021-11-23 01:35:54,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:35:54,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:54,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:54,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:54,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2021-11-23 01:35:54,360 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2021-11-23 01:35:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:35:54,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:54,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2021-11-23 01:35:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2021-11-23 01:35:54,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:35:54,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:54,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:54,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2021-11-23 01:35:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2021-11-23 01:35:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:35:54,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:54,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:55,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2021-11-23 01:35:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2021-11-23 01:35:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:35:55,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:55,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2021-11-23 01:35:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2021-11-23 01:35:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:35:55,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:55,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:55,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:55,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 97 states and 113 transitions. [2021-11-23 01:35:55,424 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2021-11-23 01:35:55,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:35:55,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:55,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:55,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2021-11-23 01:35:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2021-11-23 01:35:55,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:35:55,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:55,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:55,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2021-11-23 01:35:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2021-11-23 01:35:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:35:55,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:55,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 99 states and 119 transitions. [2021-11-23 01:35:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 119 transitions. [2021-11-23 01:35:55,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:35:55,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:55,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 104 states and 129 transitions. [2021-11-23 01:35:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2021-11-23 01:35:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:35:56,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:56,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 106 states and 132 transitions. [2021-11-23 01:35:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 132 transitions. [2021-11-23 01:35:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:35:56,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 108 states and 139 transitions. [2021-11-23 01:35:57,117 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2021-11-23 01:35:57,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:35:57,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 110 states and 142 transitions. [2021-11-23 01:35:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2021-11-23 01:35:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:35:57,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 112 states and 145 transitions. [2021-11-23 01:35:57,220 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2021-11-23 01:35:57,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:57,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 119 states and 159 transitions. [2021-11-23 01:35:58,262 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 159 transitions. [2021-11-23 01:35:58,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:58,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:58,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 126 states and 176 transitions. [2021-11-23 01:35:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2021-11-23 01:35:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:59,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:59,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:00,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:00,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 129 states and 182 transitions. [2021-11-23 01:36:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 182 transitions. [2021-11-23 01:36:00,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:36:00,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:00,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 132 states and 190 transitions. [2021-11-23 01:36:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2021-11-23 01:36:02,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:36:02,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:02,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:02,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:02,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 134 states and 194 transitions. [2021-11-23 01:36:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 194 transitions. [2021-11-23 01:36:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:36:02,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:02,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:03,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 136 states and 197 transitions. [2021-11-23 01:36:03,641 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2021-11-23 01:36:03,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:36:03,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:03,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 141 states and 214 transitions. [2021-11-23 01:36:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 214 transitions. [2021-11-23 01:36:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:04,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:04,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 140 states and 213 transitions. [2021-11-23 01:36:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 213 transitions. [2021-11-23 01:36:04,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:04,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:04,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:04,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:04,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 142 states and 216 transitions. [2021-11-23 01:36:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 216 transitions. [2021-11-23 01:36:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:04,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:04,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 142 states and 215 transitions. [2021-11-23 01:36:05,235 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2021-11-23 01:36:05,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:05,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:05,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 142 states and 214 transitions. [2021-11-23 01:36:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 214 transitions. [2021-11-23 01:36:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:05,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:05,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:06,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2021-11-23 01:36:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2021-11-23 01:36:06,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:06,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:06,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:06,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 150 states and 228 transitions. [2021-11-23 01:36:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2021-11-23 01:36:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:07,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 151 states and 229 transitions. [2021-11-23 01:36:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 229 transitions. [2021-11-23 01:36:07,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:36:07,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:08,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 228 transitions. [2021-11-23 01:36:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2021-11-23 01:36:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:08,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 159 states and 248 transitions. [2021-11-23 01:36:11,176 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 248 transitions. [2021-11-23 01:36:11,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:11,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 164 states and 260 transitions. [2021-11-23 01:36:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 260 transitions. [2021-11-23 01:36:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:13,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:13,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:13,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 172 states and 276 transitions. [2021-11-23 01:36:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 276 transitions. [2021-11-23 01:36:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:16,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:16,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 175 states and 280 transitions. [2021-11-23 01:36:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 280 transitions. [2021-11-23 01:36:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:18,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:22,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 178 states and 289 transitions. [2021-11-23 01:36:22,279 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 289 transitions. [2021-11-23 01:36:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:36:22,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:22,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:22,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 179 states and 291 transitions. [2021-11-23 01:36:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 291 transitions. [2021-11-23 01:36:22,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:36:22,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:22,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:23,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:23,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 181 states and 294 transitions. [2021-11-23 01:36:23,454 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 294 transitions. [2021-11-23 01:36:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:36:23,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:23,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 185 states and 303 transitions. [2021-11-23 01:36:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 303 transitions. [2021-11-23 01:36:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:36:25,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:25,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 189 states and 310 transitions. [2021-11-23 01:36:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 310 transitions. [2021-11-23 01:36:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:36:26,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:26,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:27,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:27,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 191 states and 314 transitions. [2021-11-23 01:36:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 314 transitions. [2021-11-23 01:36:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:36:27,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:27,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 193 states and 318 transitions. [2021-11-23 01:36:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 318 transitions. [2021-11-23 01:36:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:36:29,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:29,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:36:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:30,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 193 states and 317 transitions. [2021-11-23 01:36:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 317 transitions. [2021-11-23 01:36:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:36:30,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:30,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:36:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 194 states and 317 transitions. [2021-11-23 01:36:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 317 transitions. [2021-11-23 01:36:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:36:30,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:30,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 197 states and 322 transitions. [2021-11-23 01:36:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 322 transitions. [2021-11-23 01:36:33,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:36:33,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:33,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:38,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 200 states and 331 transitions. [2021-11-23 01:36:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 331 transitions. [2021-11-23 01:36:38,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:36:38,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:38,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 213 states and 356 transitions. [2021-11-23 01:36:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 356 transitions. [2021-11-23 01:36:50,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:36:50,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:50,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 217 states and 363 transitions. [2021-11-23 01:36:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 363 transitions. [2021-11-23 01:36:52,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:36:52,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:52,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:54,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:54,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 220 states and 368 transitions. [2021-11-23 01:36:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 368 transitions. [2021-11-23 01:36:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:36:54,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:54,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:56,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 224 states and 374 transitions. [2021-11-23 01:36:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 374 transitions. [2021-11-23 01:36:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:36:56,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:56,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 223 states and 372 transitions. [2021-11-23 01:36:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2021-11-23 01:36:57,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:36:57,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:57,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:00,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:00,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 227 states and 388 transitions. [2021-11-23 01:37:00,240 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 388 transitions. [2021-11-23 01:37:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:37:00,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:00,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 226 states and 386 transitions. [2021-11-23 01:37:01,332 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 386 transitions. [2021-11-23 01:37:01,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:37:01,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:01,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:37:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 227 states and 387 transitions. [2021-11-23 01:37:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 387 transitions. [2021-11-23 01:37:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:37:02,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:02,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:37:03,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 227 states and 386 transitions. [2021-11-23 01:37:03,374 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 386 transitions. [2021-11-23 01:37:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:37:03,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:03,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:04,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:07,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 231 states and 392 transitions. [2021-11-23 01:37:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 392 transitions. [2021-11-23 01:37:07,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:37:07,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:07,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:37:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 234 states and 397 transitions. [2021-11-23 01:37:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 397 transitions. [2021-11-23 01:37:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:37:10,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:10,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 237 states and 406 transitions. [2021-11-23 01:37:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 406 transitions. [2021-11-23 01:37:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:37:16,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:16,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:33,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 254 states and 437 transitions. [2021-11-23 01:37:33,429 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 437 transitions. [2021-11-23 01:37:33,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:37:33,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:33,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:39,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 260 states and 446 transitions. [2021-11-23 01:37:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 446 transitions. [2021-11-23 01:37:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:37:39,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:39,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 258 states and 442 transitions. [2021-11-23 01:37:40,993 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 442 transitions. [2021-11-23 01:37:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:37:40,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:40,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 274 states and 473 transitions. [2021-11-23 01:38:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 473 transitions. [2021-11-23 01:38:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:38:00,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 288 states and 501 transitions. [2021-11-23 01:38:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 501 transitions. [2021-11-23 01:38:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:38:22,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:22,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:22,142 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:38:23,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 289 states and 502 transitions. [2021-11-23 01:38:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 502 transitions. [2021-11-23 01:38:23,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:38:23,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:23,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:38:24,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 289 states and 501 transitions. [2021-11-23 01:38:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 501 transitions. [2021-11-23 01:38:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:38:24,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:24,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 300 states and 518 transitions. [2021-11-23 01:38:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 518 transitions. [2021-11-23 01:38:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:38:39,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:39,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 304 states and 522 transitions. [2021-11-23 01:38:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 522 transitions. [2021-11-23 01:38:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:38:43,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:43,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:38:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:48,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 307 states and 527 transitions. [2021-11-23 01:38:48,035 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 527 transitions. [2021-11-23 01:38:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:38:48,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:48,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:57,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 310 states and 536 transitions. [2021-11-23 01:38:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 536 transitions. [2021-11-23 01:38:57,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:38:57,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:57,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 309 states and 535 transitions. [2021-11-23 01:38:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 535 transitions. [2021-11-23 01:38:57,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:38:57,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:57,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:59,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 308 states and 534 transitions. [2021-11-23 01:38:59,928 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 534 transitions. [2021-11-23 01:38:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:38:59,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:59,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:07,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 310 states and 538 transitions. [2021-11-23 01:39:07,765 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 538 transitions. [2021-11-23 01:39:07,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:39:07,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:07,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 314 states and 546 transitions. [2021-11-23 01:39:09,648 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 546 transitions. [2021-11-23 01:39:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:39:09,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:09,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 333 states and 585 transitions. [2021-11-23 01:39:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 585 transitions. [2021-11-23 01:39:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:39:46,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:46,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:29,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 350 states and 622 transitions. [2021-11-23 01:40:29,073 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 622 transitions. [2021-11-23 01:40:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:40:29,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:29,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:29,104 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:40:31,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:31,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 351 states and 623 transitions. [2021-11-23 01:40:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 623 transitions. [2021-11-23 01:40:31,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:40:31,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:31,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:40:33,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 351 states and 622 transitions. [2021-11-23 01:40:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 622 transitions. [2021-11-23 01:40:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:40:33,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:33,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 352 states and 622 transitions. [2021-11-23 01:40:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 622 transitions. [2021-11-23 01:40:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:40:34,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:34,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 367 states and 654 transitions. [2021-11-23 01:41:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 654 transitions. [2021-11-23 01:41:25,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:41:25,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:25,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 370 states and 664 transitions. [2021-11-23 01:41:29,661 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 664 transitions. [2021-11-23 01:41:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:41:29,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:29,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:41:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:37,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 373 states and 669 transitions. [2021-11-23 01:41:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 669 transitions. [2021-11-23 01:41:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:41:37,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:37,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 376 states and 678 transitions. [2021-11-23 01:41:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 678 transitions. [2021-11-23 01:41:51,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:41:51,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:51,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 397 states and 720 transitions. [2021-11-23 01:42:52,091 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 720 transitions. [2021-11-23 01:42:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:42:52,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:52,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 422 states and 780 transitions. [2021-11-23 01:43:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 780 transitions. [2021-11-23 01:43:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:43:57,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:02,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:02,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 424 states and 782 transitions. [2021-11-23 01:44:02,867 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 782 transitions. [2021-11-23 01:44:02,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:44:02,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:02,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:11,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:11,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 448 states and 833 transitions. [2021-11-23 01:45:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 833 transitions. [2021-11-23 01:45:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:45:11,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:11,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:28,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 455 states and 844 transitions. [2021-11-23 01:45:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 844 transitions. [2021-11-23 01:45:28,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:45:28,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:45:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 456 states and 845 transitions. [2021-11-23 01:45:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 845 transitions. [2021-11-23 01:45:31,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:45:31,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:31,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:45:33,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 456 states and 844 transitions. [2021-11-23 01:45:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 844 transitions. [2021-11-23 01:45:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:45:33,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 454 states and 840 transitions. [2021-11-23 01:45:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 840 transitions. [2021-11-23 01:45:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:45:36,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:36,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:56,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 460 states and 850 transitions. [2021-11-23 01:45:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 850 transitions. [2021-11-23 01:45:56,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:45:56,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:56,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:56,931 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:46:05,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:05,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 463 states and 855 transitions. [2021-11-23 01:46:05,560 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 855 transitions. [2021-11-23 01:46:05,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:46:05,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:05,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:23,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 466 states and 864 transitions. [2021-11-23 01:46:23,641 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 864 transitions. [2021-11-23 01:46:23,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:46:23,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:23,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 482 states and 893 transitions. [2021-11-23 01:47:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 893 transitions. [2021-11-23 01:47:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:47:13,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:13,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.