./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-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_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/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_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/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_272c536f-6707-4cd5-bee1-5993eb81086e/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 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:18:35,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:18:35,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:18:35,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:18:35,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:18:35,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:18:35,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:18:35,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:18:35,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:18:35,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:18:35,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:18:35,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:18:35,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:18:35,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:18:35,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:18:35,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:18:35,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:18:35,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:18:35,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:18:35,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:18:35,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:18:35,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:18:35,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:18:35,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:18:35,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:18:35,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:18:35,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:18:35,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:18:35,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:18:35,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:18:35,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:18:35,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:18:35,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:18:35,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:18:35,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:18:35,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:18:35,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:18:35,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:18:35,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:18:35,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:18:35,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:18:35,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:18:35,500 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:18:35,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:18:35,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:18:35,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:18:35,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:18:35,502 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:18:35,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:18:35,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:18:35,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:18:35,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:18:35,503 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:18:35,504 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:18:35,504 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:18:35,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:18:35,504 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:18:35,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:18:35,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:18:35,505 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:18:35,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:18:35,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:18:35,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:18:35,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:18:35,506 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:18:35,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:18:35,506 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_272c536f-6707-4cd5-bee1-5993eb81086e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 [2021-11-23 01:18:35,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:18:35,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:18:35,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:18:35,810 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:18:35,811 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:18:35,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2021-11-23 01:18:35,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/data/0a6df1813/af576ec3e83046afa527be67e81cbfb9/FLAG453e762fc [2021-11-23 01:18:36,461 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:18:36,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2021-11-23 01:18:36,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/data/0a6df1813/af576ec3e83046afa527be67e81cbfb9/FLAG453e762fc [2021-11-23 01:18:36,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/data/0a6df1813/af576ec3e83046afa527be67e81cbfb9 [2021-11-23 01:18:36,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:18:36,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:18:36,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:18:36,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:18:36,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:18:36,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:18:36" (1/1) ... [2021-11-23 01:18:36,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ec3304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:36, skipping insertion in model container [2021-11-23 01:18:36,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:18:36" (1/1) ... [2021-11-23 01:18:36,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:18:36,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:18:37,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:18:37,370 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:18:37,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:18:37,437 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:18:37,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37 WrapperNode [2021-11-23 01:18:37,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:18:37,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:18:37,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:18:37,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:18:37,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37" (1/1) ... [2021-11-23 01:18:37,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37" (1/1) ... [2021-11-23 01:18:37,510 INFO L137 Inliner]: procedures = 117, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2021-11-23 01:18:37,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:18:37,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:18:37,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:18:37,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:18:37,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37" (1/1) ... [2021-11-23 01:18:37,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37" (1/1) ... [2021-11-23 01:18:37,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37" (1/1) ... [2021-11-23 01:18:37,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37" (1/1) ... [2021-11-23 01:18:37,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37" (1/1) ... [2021-11-23 01:18:37,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37" (1/1) ... [2021-11-23 01:18:37,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37" (1/1) ... [2021-11-23 01:18:37,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:18:37,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:18:37,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:18:37,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:18:37,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:37" (1/1) ... [2021-11-23 01:18:37,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:18:37,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:18:37,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:18:37,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272c536f-6707-4cd5-bee1-5993eb81086e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:18:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:18:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:18:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:18:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:18:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:18:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:18:37,752 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:18:37,754 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:18:37,962 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:18:38,014 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:18:38,014 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:18:38,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:38 BoogieIcfgContainer [2021-11-23 01:18:38,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:18:38,018 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:18:38,018 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:18:38,028 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:18:38,028 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:38" (1/1) ... [2021-11-23 01:18:38,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:18:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2021-11-23 01:18:38,094 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2021-11-23 01:18:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:18:38,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,252 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 01:18:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2021-11-23 01:18:38,305 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-23 01:18:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:18:38,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,430 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 01:18:38,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2021-11-23 01:18:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2021-11-23 01:18:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:18:38,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,637 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 01:18:38,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2021-11-23 01:18:38,913 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2021-11-23 01:18:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:18:38,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,983 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 01:18:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2021-11-23 01:18:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-11-23 01:18:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:18:39,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,360 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 01:18:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2021-11-23 01:18:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2021-11-23 01:18:39,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:18:39,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,946 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 01:18:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2021-11-23 01:18:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-11-23 01:18:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:18:40,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,257 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 01:18:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2021-11-23 01:18:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2021-11-23 01:18:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:18:41,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:41,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,264 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 01:18:41,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:41,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2021-11-23 01:18:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2021-11-23 01:18:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:18:41,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:41,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,935 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 01:18:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2021-11-23 01:18:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2021-11-23 01:18:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:18:42,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,335 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 01:18:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2021-11-23 01:18:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2021-11-23 01:18:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:18:43,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:18:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2021-11-23 01:18:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2021-11-23 01:18:44,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:18:44,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:44,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2021-11-23 01:18:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2021-11-23 01:18:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:18:45,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:45,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2021-11-23 01:18:46,181 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2021-11-23 01:18:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:18:46,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:46,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:46,383 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 01:18:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:47,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 55 states and 101 transitions. [2021-11-23 01:18:47,401 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2021-11-23 01:18:47,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:18:47,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:47,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2021-11-23 01:18:48,004 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2021-11-23 01:18:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:18:48,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:18:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2021-11-23 01:18:48,662 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2021-11-23 01:18:48,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:18:48,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:48,754 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 01:18:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2021-11-23 01:18:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2021-11-23 01:18:48,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:18:48,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,153 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 01:18:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2021-11-23 01:18:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2021-11-23 01:18:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:18:50,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:50,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 56 states and 97 transitions. [2021-11-23 01:18:50,745 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 97 transitions. [2021-11-23 01:18:50,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:18:50,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:50,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:51,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 104 transitions. [2021-11-23 01:18:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 104 transitions. [2021-11-23 01:18:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:18:52,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:52,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:54,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:54,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2021-11-23 01:18:54,803 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2021-11-23 01:18:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:54,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:54,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:18:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:55,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 56 states and 99 transitions. [2021-11-23 01:18:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 99 transitions. [2021-11-23 01:18:55,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:55,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:55,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:55,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2021-11-23 01:18:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2021-11-23 01:18:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:55,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:55,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:58,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 101 transitions. [2021-11-23 01:18:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2021-11-23 01:18:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:58,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:58,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:58,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 101 transitions. [2021-11-23 01:18:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2021-11-23 01:18:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:58,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:58,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:18:59,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 58 states and 103 transitions. [2021-11-23 01:18:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2021-11-23 01:18:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:59,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:59,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:59,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:18:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2021-11-23 01:18:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2021-11-23 01:18:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:59,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:59,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2021-11-23 01:19:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2021-11-23 01:19:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:19:00,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:00,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 108 transitions. [2021-11-23 01:19:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2021-11-23 01:19:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:19:00,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:00,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2021-11-23 01:19:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2021-11-23 01:19:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:19:02,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:02,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:02,479 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 01:19:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2021-11-23 01:19:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2021-11-23 01:19:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:19:04,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:04,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2021-11-23 01:19:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2021-11-23 01:19:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:19:05,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:05,825 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 01:19:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 69 states and 123 transitions. [2021-11-23 01:19:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 123 transitions. [2021-11-23 01:19:07,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:19:07,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:07,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:07,617 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 01:19:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 73 states and 132 transitions. [2021-11-23 01:19:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 132 transitions. [2021-11-23 01:19:10,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:19:10,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:10,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 50 states and 81 transitions. [2021-11-23 01:19:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2021-11-23 01:19:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:19:12,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:15,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2021-11-23 01:19:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2021-11-23 01:19:15,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:19:15,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:15,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:16,156 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 01:19:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 95 transitions. [2021-11-23 01:19:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2021-11-23 01:19:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:19:17,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:17,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:17,569 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 01:19:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2021-11-23 01:19:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2021-11-23 01:19:19,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:19:19,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:19,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2021-11-23 01:19:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2021-11-23 01:19:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:19:20,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:20,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:24,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 61 states and 100 transitions. [2021-11-23 01:19:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 100 transitions. [2021-11-23 01:19:24,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:19:24,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:24,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:19:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:25,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 98 transitions. [2021-11-23 01:19:25,186 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 98 transitions. [2021-11-23 01:19:25,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:19:25,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:25,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:25,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:26,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 103 transitions. [2021-11-23 01:19:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 103 transitions. [2021-11-23 01:19:26,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:19:26,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:26,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:19:27,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 65 states and 106 transitions. [2021-11-23 01:19:27,228 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 106 transitions. [2021-11-23 01:19:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:19:27,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:27,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:27,512 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 01:19:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 75 states and 130 transitions. [2021-11-23 01:19:35,779 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 130 transitions. [2021-11-23 01:19:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:19:35,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:35,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:38,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 77 states and 134 transitions. [2021-11-23 01:19:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 134 transitions. [2021-11-23 01:19:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:19:38,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:38,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 86 states and 153 transitions. [2021-11-23 01:19:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 153 transitions. [2021-11-23 01:19:50,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:19:50,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:50,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:50,965 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:19:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 87 states and 153 transitions. [2021-11-23 01:19:51,879 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 153 transitions. [2021-11-23 01:19:51,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:19:51,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:51,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:03,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 95 states and 170 transitions. [2021-11-23 01:20:03,024 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 170 transitions. [2021-11-23 01:20:03,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:20:03,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:03,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:04,121 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 01:20:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:05,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 96 states and 172 transitions. [2021-11-23 01:20:05,872 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 172 transitions. [2021-11-23 01:20:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:20:05,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:05,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:07,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 97 states and 178 transitions. [2021-11-23 01:20:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 178 transitions. [2021-11-23 01:20:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:20:07,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:07,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 100 states and 183 transitions. [2021-11-23 01:20:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 183 transitions. [2021-11-23 01:20:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:20:11,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:11,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:13,748 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 01:20:27,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:27,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 108 states and 204 transitions. [2021-11-23 01:20:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 204 transitions. [2021-11-23 01:20:27,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:20:27,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:27,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:28,024 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 01:20:30,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 108 states and 202 transitions. [2021-11-23 01:20:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 202 transitions. [2021-11-23 01:20:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:20:30,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:30,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:30,086 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 01:20:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 109 states and 207 transitions. [2021-11-23 01:20:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2021-11-23 01:20:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:20:31,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:31,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:36,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 113 states and 213 transitions. [2021-11-23 01:20:36,725 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 213 transitions. [2021-11-23 01:20:36,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:20:36,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:36,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:38,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 114 states and 216 transitions. [2021-11-23 01:20:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 216 transitions. [2021-11-23 01:20:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:38,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:38,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 118 states and 221 transitions. [2021-11-23 01:20:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 221 transitions. [2021-11-23 01:20:46,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:46,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:46,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 122 states and 229 transitions. [2021-11-23 01:20:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 229 transitions. [2021-11-23 01:20:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:52,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:52,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:08,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 130 states and 251 transitions. [2021-11-23 01:21:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 251 transitions. [2021-11-23 01:21:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:08,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:08,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:09,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 120 states and 232 transitions. [2021-11-23 01:21:09,939 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 232 transitions. [2021-11-23 01:21:09,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:09,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:09,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:09,980 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 01:21:16,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:16,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 123 states and 241 transitions. [2021-11-23 01:21:16,263 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 241 transitions. [2021-11-23 01:21:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:16,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:16,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:16,304 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 01:21:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 125 states and 245 transitions. [2021-11-23 01:21:20,824 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 245 transitions. [2021-11-23 01:21:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:20,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:20,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:25,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 127 states and 248 transitions. [2021-11-23 01:21:25,387 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 248 transitions. [2021-11-23 01:21:25,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:25,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:25,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:25,442 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 01:21:27,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:27,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 128 states and 249 transitions. [2021-11-23 01:21:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 249 transitions. [2021-11-23 01:21:27,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:27,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:27,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:29,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 129 states and 252 transitions. [2021-11-23 01:21:29,165 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 252 transitions. [2021-11-23 01:21:29,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:29,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:29,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:31,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:31,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 129 states and 251 transitions. [2021-11-23 01:21:31,278 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 251 transitions. [2021-11-23 01:21:31,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:31,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:31,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 127 states and 244 transitions. [2021-11-23 01:21:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 244 transitions. [2021-11-23 01:21:32,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:32,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:32,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 128 states and 243 transitions. [2021-11-23 01:21:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 243 transitions. [2021-11-23 01:21:36,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:36,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:36,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:38,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 128 states and 242 transitions. [2021-11-23 01:21:38,519 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 242 transitions. [2021-11-23 01:21:38,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:38,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:38,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:40,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:40,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 128 states and 241 transitions. [2021-11-23 01:21:40,306 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 241 transitions. [2021-11-23 01:21:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:40,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:40,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:48,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 133 states and 252 transitions. [2021-11-23 01:21:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 252 transitions. [2021-11-23 01:21:48,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:48,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 138 states and 258 transitions. [2021-11-23 01:21:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 258 transitions. [2021-11-23 01:21:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:56,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:56,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:22:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 140 states and 260 transitions. [2021-11-23 01:22:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 260 transitions. [2021-11-23 01:22:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:22:04,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:04,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:04,191 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:22:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 142 states and 262 transitions. [2021-11-23 01:22:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 262 transitions. [2021-11-23 01:22:07,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:22:07,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:22:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:09,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 140 states and 257 transitions. [2021-11-23 01:22:09,284 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 257 transitions. [2021-11-23 01:22:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:22:09,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:09,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:12,039 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 148 states and 275 transitions. [2021-11-23 01:22:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 275 transitions. [2021-11-23 01:22:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:22:30,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:30,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:30,564 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:32,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 149 states and 278 transitions. [2021-11-23 01:22:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 278 transitions. [2021-11-23 01:22:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:32,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:32,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:22:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 289 transitions. [2021-11-23 01:22:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 289 transitions. [2021-11-23 01:22:41,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:41,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:41,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:41,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:22:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 272 transitions. [2021-11-23 01:22:43,340 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 272 transitions. [2021-11-23 01:22:43,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:43,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:43,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:22:54,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:54,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 154 states and 278 transitions. [2021-11-23 01:22:54,251 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2021-11-23 01:22:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:54,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:54,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:22:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 154 states and 277 transitions. [2021-11-23 01:22:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 277 transitions. [2021-11-23 01:22:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:56,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:56,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 166 states and 308 transitions. [2021-11-23 01:23:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 308 transitions. [2021-11-23 01:23:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:23:35,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:35,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:35,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:23:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 168 states and 310 transitions. [2021-11-23 01:23:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 310 transitions. [2021-11-23 01:23:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:40,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:40,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 172 states and 315 transitions. [2021-11-23 01:23:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 315 transitions. [2021-11-23 01:23:56,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:56,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:56,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 178 states and 326 transitions. [2021-11-23 01:24:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 326 transitions. [2021-11-23 01:24:14,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:24:14,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:14,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:46,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:46,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 186 states and 354 transitions. [2021-11-23 01:24:46,529 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 354 transitions. [2021-11-23 01:24:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:24:46,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:46,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:24:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:51,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 188 states and 356 transitions. [2021-11-23 01:24:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 356 transitions. [2021-11-23 01:24:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:24:51,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:51,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:24:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:56,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 190 states and 358 transitions. [2021-11-23 01:24:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 358 transitions. [2021-11-23 01:24:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:24:56,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:56,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:25:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 194 states and 366 transitions. [2021-11-23 01:25:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 366 transitions. [2021-11-23 01:25:09,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:25:09,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:09,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:25:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 198 states and 372 transitions. [2021-11-23 01:25:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 372 transitions. [2021-11-23 01:25:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:25:18,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:18,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:25:28,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 202 states and 378 transitions. [2021-11-23 01:25:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 378 transitions. [2021-11-23 01:25:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:25:28,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:28,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:29,290 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:25:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 203 states and 382 transitions. [2021-11-23 01:25:38,432 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 382 transitions. [2021-11-23 01:25:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:25:38,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:38,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:08,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 212 states and 406 transitions. [2021-11-23 01:26:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 406 transitions. [2021-11-23 01:26:08,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:26:08,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:08,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 211 states and 403 transitions. [2021-11-23 01:26:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 403 transitions. [2021-11-23 01:26:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:26:14,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:14,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:26:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 215 states and 419 transitions. [2021-11-23 01:26:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 419 transitions. [2021-11-23 01:26:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:26:45,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:45,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:27:17,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:17,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 223 states and 437 transitions. [2021-11-23 01:27:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 437 transitions. [2021-11-23 01:27:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:17,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:27:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 224 states and 441 transitions. [2021-11-23 01:27:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 441 transitions. [2021-11-23 01:27:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:20,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:20,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:20,868 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:27:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 224 states and 440 transitions. [2021-11-23 01:27:24,832 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 440 transitions. [2021-11-23 01:27:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:24,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:24,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:27:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 227 states and 443 transitions. [2021-11-23 01:27:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 443 transitions. [2021-11-23 01:27:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:33,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:27:45,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:45,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 231 states and 448 transitions. [2021-11-23 01:27:45,245 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 448 transitions. [2021-11-23 01:27:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:45,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:45,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:56,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 234 states and 457 transitions. [2021-11-23 01:27:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 457 transitions. [2021-11-23 01:27:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:56,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:56,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:28:11,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 239 states and 465 transitions. [2021-11-23 01:28:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 465 transitions. [2021-11-23 01:28:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:28:11,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:11,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:18,130 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:51,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 243 states and 470 transitions. [2021-11-23 01:28:51,583 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 470 transitions. [2021-11-23 01:28:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:28:51,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:51,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:52,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:06,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 247 states and 475 transitions. [2021-11-23 01:29:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 475 transitions. [2021-11-23 01:29:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:29:06,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:06,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:06,295 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:29:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 250 states and 478 transitions. [2021-11-23 01:29:21,049 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 478 transitions. [2021-11-23 01:29:21,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:29:21,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:21,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:29:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 251 states and 487 transitions. [2021-11-23 01:29:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 487 transitions. [2021-11-23 01:29:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:29:24,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:24,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:29:41,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:41,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 256 states and 494 transitions. [2021-11-23 01:29:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 494 transitions. [2021-11-23 01:29:41,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:29:41,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:41,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.