./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/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_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e --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-63182f1 [2021-11-13 22:43:40,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:43:40,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:43:40,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:43:40,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:43:40,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:43:40,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:43:40,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:43:40,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:43:40,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:43:40,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:43:40,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:43:40,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:43:40,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:43:40,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:43:40,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:43:40,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:43:40,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:43:40,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:43:40,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:43:40,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:43:40,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:43:40,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:43:40,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:43:40,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:43:40,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:43:40,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:43:40,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:43:40,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:43:40,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:43:40,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:43:40,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:43:40,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:43:40,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:43:40,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:43:40,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:43:40,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:43:40,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:43:40,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:43:40,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:43:40,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:43:40,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 22:43:40,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:43:40,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:43:40,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:43:40,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:43:40,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:43:40,184 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:43:40,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:43:40,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:43:40,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:43:40,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:43:40,185 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 22:43:40,185 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 22:43:40,185 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 22:43:40,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:43:40,186 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:43:40,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:43:40,186 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:43:40,186 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:43:40,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:43:40,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:43:40,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:43:40,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:43:40,187 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:43:40,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:43:40,196 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_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 [2021-11-13 22:43:40,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:43:40,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:43:40,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:43:40,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:43:40,587 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:43:40,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2021-11-13 22:43:40,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/data/1b1ea9054/c68520e3e6d84f6484bddcd2eb97e92f/FLAG3cde3ba17 [2021-11-13 22:43:41,255 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:43:41,257 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2021-11-13 22:43:41,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/data/1b1ea9054/c68520e3e6d84f6484bddcd2eb97e92f/FLAG3cde3ba17 [2021-11-13 22:43:41,503 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/data/1b1ea9054/c68520e3e6d84f6484bddcd2eb97e92f [2021-11-13 22:43:41,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:43:41,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:43:41,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:43:41,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:43:41,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:43:41,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:43:41" (1/1) ... [2021-11-13 22:43:41,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e77d350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:41, skipping insertion in model container [2021-11-13 22:43:41,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:43:41" (1/1) ... [2021-11-13 22:43:41,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:43:41,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:43:41,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:43:41,931 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:43:41,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:43:42,004 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:43:42,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42 WrapperNode [2021-11-13 22:43:42,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:43:42,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:43:42,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:43:42,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:43:42,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:43:42,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:43:42,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:43:42,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:43:42,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:43:42,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:43:42,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:43:42,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:43:42,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:43:42,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:43:42,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:43:42,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51b979-46a9-41ee-b369-34e5d240570f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:43:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:43:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:43:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:43:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:43:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:43:42,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:43:42,670 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:43:42,671 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 22:43:42,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:42 BoogieIcfgContainer [2021-11-13 22:43:42,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:43:42,675 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:43:42,675 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:43:42,686 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:43:42,686 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:42" (1/1) ... [2021-11-13 22:43:42,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:43:42,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2021-11-13 22:43:42,753 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2021-11-13 22:43:42,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:43:42,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:42,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:42,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2021-11-13 22:43:42,934 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-13 22:43:42,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:43:42,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:42,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:43,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2021-11-13 22:43:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2021-11-13 22:43:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:43:43,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:43,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2021-11-13 22:43:43,471 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2021-11-13 22:43:43,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:43:43,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:43,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2021-11-13 22:43:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-11-13 22:43:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:43:43,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:43,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2021-11-13 22:43:44,525 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2021-11-13 22:43:44,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:43:44,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:44,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2021-11-13 22:43:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-11-13 22:43:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:43:44,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:44,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2021-11-13 22:43:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2021-11-13 22:43:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:43:45,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:45,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2021-11-13 22:43:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2021-11-13 22:43:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:43:46,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:46,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:46,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2021-11-13 22:43:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2021-11-13 22:43:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:43:46,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:46,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2021-11-13 22:43:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2021-11-13 22:43:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:43:48,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:48,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 50 states and 87 transitions. [2021-11-13 22:43:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2021-11-13 22:43:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:43:50,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:50,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:50,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2021-11-13 22:43:50,904 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2021-11-13 22:43:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:43:50,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:50,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:43:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:51,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 93 transitions. [2021-11-13 22:43:51,474 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2021-11-13 22:43:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:43:51,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:51,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:51,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:52,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 55 states and 102 transitions. [2021-11-13 22:43:52,628 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 102 transitions. [2021-11-13 22:43:52,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:43:52,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:52,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:43:53,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 107 transitions. [2021-11-13 22:43:53,249 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2021-11-13 22:43:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:43:53,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:53,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:54,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:54,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 58 states and 110 transitions. [2021-11-13 22:43:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 110 transitions. [2021-11-13 22:43:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:43:54,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:54,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 111 transitions. [2021-11-13 22:43:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2021-11-13 22:43:54,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:43:54,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:54,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:55,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 61 states and 116 transitions. [2021-11-13 22:43:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 116 transitions. [2021-11-13 22:43:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:43:55,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:55,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 98 transitions. [2021-11-13 22:43:56,229 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2021-11-13 22:43:56,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:43:56,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:56,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:59,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 105 transitions. [2021-11-13 22:43:59,506 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 105 transitions. [2021-11-13 22:43:59,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:43:59,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:59,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:00,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:01,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 61 states and 112 transitions. [2021-11-13 22:44:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-11-13 22:44:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:44:01,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:01,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:44:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 62 states and 114 transitions. [2021-11-13 22:44:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2021-11-13 22:44:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:44:01,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:01,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:02,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 64 states and 121 transitions. [2021-11-13 22:44:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 121 transitions. [2021-11-13 22:44:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:44:04,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:04,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:44:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 65 states and 125 transitions. [2021-11-13 22:44:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions. [2021-11-13 22:44:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:44:04,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:04,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:44:05,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:05,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 66 states and 127 transitions. [2021-11-13 22:44:05,223 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2021-11-13 22:44:05,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:44:05,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:05,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 67 states and 127 transitions. [2021-11-13 22:44:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2021-11-13 22:44:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:44:06,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:06,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 69 states and 133 transitions. [2021-11-13 22:44:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 133 transitions. [2021-11-13 22:44:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:44:07,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:07,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:07,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 69 states and 132 transitions. [2021-11-13 22:44:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 132 transitions. [2021-11-13 22:44:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:44:07,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:07,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 70 states and 132 transitions. [2021-11-13 22:44:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2021-11-13 22:44:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:44:08,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:08,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:10,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 72 states and 137 transitions. [2021-11-13 22:44:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 137 transitions. [2021-11-13 22:44:10,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:44:10,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:10,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:12,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 73 states and 138 transitions. [2021-11-13 22:44:12,325 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2021-11-13 22:44:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:44:12,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:12,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 77 states and 147 transitions. [2021-11-13 22:44:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 147 transitions. [2021-11-13 22:44:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:44:13,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:13,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:17,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 156 transitions. [2021-11-13 22:44:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 156 transitions. [2021-11-13 22:44:17,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:44:17,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:17,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2021-11-13 22:44:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2021-11-13 22:44:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:44:19,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:19,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:44:19,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2021-11-13 22:44:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2021-11-13 22:44:19,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:44:19,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:19,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:44:23,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2021-11-13 22:44:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2021-11-13 22:44:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:44:23,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:23,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:24,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2021-11-13 22:44:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2021-11-13 22:44:25,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:44:25,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:25,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:28,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2021-11-13 22:44:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2021-11-13 22:44:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:44:28,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:28,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 82 transitions. [2021-11-13 22:44:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2021-11-13 22:44:30,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:44:30,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:30,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 95 transitions. [2021-11-13 22:44:34,812 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2021-11-13 22:44:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:44:34,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:34,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:44:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 98 transitions. [2021-11-13 22:44:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 98 transitions. [2021-11-13 22:44:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:44:35,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:35,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:44:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:36,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions. [2021-11-13 22:44:36,938 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2021-11-13 22:44:36,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:44:36,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:36,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:45,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 71 states and 121 transitions. [2021-11-13 22:44:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 121 transitions. [2021-11-13 22:44:45,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:44:45,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:45,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 78 states and 136 transitions. [2021-11-13 22:44:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 136 transitions. [2021-11-13 22:44:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:44:55,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:55,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:44:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:56,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 79 states and 136 transitions. [2021-11-13 22:44:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 136 transitions. [2021-11-13 22:44:56,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:44:56,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:56,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:45:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 86 states and 152 transitions. [2021-11-13 22:45:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 152 transitions. [2021-11-13 22:45:06,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:45:06,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:06,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:45:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:08,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 88 states and 158 transitions. [2021-11-13 22:45:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 158 transitions. [2021-11-13 22:45:08,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:45:08,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:08,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 89 states and 160 transitions. [2021-11-13 22:45:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 160 transitions. [2021-11-13 22:45:11,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:45:11,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:11,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:45:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 92 states and 166 transitions. [2021-11-13 22:45:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2021-11-13 22:45:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:45:16,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:16,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:45:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 94 states and 169 transitions. [2021-11-13 22:45:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 169 transitions. [2021-11-13 22:45:20,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:45:20,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:20,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 102 states and 190 transitions. [2021-11-13 22:45:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 190 transitions. [2021-11-13 22:45:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:45:35,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:35,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:45:40,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 105 states and 196 transitions. [2021-11-13 22:45:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 196 transitions. [2021-11-13 22:45:40,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:45:40,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:40,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:45:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:42,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 105 states and 194 transitions. [2021-11-13 22:45:42,217 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 194 transitions. [2021-11-13 22:45:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:45:42,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:42,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:45:47,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:47,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 106 states and 196 transitions. [2021-11-13 22:45:47,620 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 196 transitions. [2021-11-13 22:45:47,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:45:47,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:47,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:45:49,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 106 states and 195 transitions. [2021-11-13 22:45:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 195 transitions. [2021-11-13 22:45:49,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:45:49,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:49,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 110 states and 201 transitions. [2021-11-13 22:45:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 201 transitions. [2021-11-13 22:45:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:45:57,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:57,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:57,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:46:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 114 states and 208 transitions. [2021-11-13 22:46:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 208 transitions. [2021-11-13 22:46:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:46:04,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:04,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 122 states and 230 transitions. [2021-11-13 22:46:18,726 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 230 transitions. [2021-11-13 22:46:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:18,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:18,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:46:20,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 118 states and 222 transitions. [2021-11-13 22:46:20,559 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 222 transitions. [2021-11-13 22:46:20,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:20,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:20,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:46:27,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:27,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 120 states and 225 transitions. [2021-11-13 22:46:27,213 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 225 transitions. [2021-11-13 22:46:27,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:27,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:27,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:27,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:46:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:29,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 120 states and 224 transitions. [2021-11-13 22:46:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 224 transitions. [2021-11-13 22:46:29,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:29,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:29,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:46:30,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 121 states and 228 transitions. [2021-11-13 22:46:30,658 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 228 transitions. [2021-11-13 22:46:30,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:30,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:30,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:46:36,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 124 states and 235 transitions. [2021-11-13 22:46:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 235 transitions. [2021-11-13 22:46:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:36,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:36,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:46:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:39,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 124 states and 234 transitions. [2021-11-13 22:46:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 234 transitions. [2021-11-13 22:46:39,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:39,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:39,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:46:44,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 126 states and 234 transitions. [2021-11-13 22:46:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 234 transitions. [2021-11-13 22:46:44,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:44,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:44,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:44,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:46:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 233 transitions. [2021-11-13 22:46:47,894 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 233 transitions. [2021-11-13 22:46:47,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:47,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:47,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:46:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 126 states and 232 transitions. [2021-11-13 22:46:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2021-11-13 22:46:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:49,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:49,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:46:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 126 states and 231 transitions. [2021-11-13 22:46:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 231 transitions. [2021-11-13 22:46:51,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:51,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:51,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:46:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 131 states and 238 transitions. [2021-11-13 22:46:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 238 transitions. [2021-11-13 22:46:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:46:59,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:59,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:47:08,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:08,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 136 states and 247 transitions. [2021-11-13 22:47:08,458 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 247 transitions. [2021-11-13 22:47:08,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:47:08,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:08,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:47:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 137 states and 248 transitions. [2021-11-13 22:47:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 248 transitions. [2021-11-13 22:47:11,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:47:11,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:11,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:47:36,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 147 states and 273 transitions. [2021-11-13 22:47:36,501 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 273 transitions. [2021-11-13 22:47:36,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:47:36,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:36,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:47:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 148 states and 276 transitions. [2021-11-13 22:47:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 276 transitions. [2021-11-13 22:47:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:47:38,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:38,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:47:48,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 153 states and 285 transitions. [2021-11-13 22:47:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 285 transitions. [2021-11-13 22:47:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:47:48,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:48,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:48,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:47:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 147 states and 270 transitions. [2021-11-13 22:47:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 270 transitions. [2021-11-13 22:47:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:47:50,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:50,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:47:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:52,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 147 states and 269 transitions. [2021-11-13 22:47:52,099 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 269 transitions. [2021-11-13 22:47:52,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:47:52,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:52,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 159 states and 299 transitions. [2021-11-13 22:48:28,859 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 299 transitions. [2021-11-13 22:48:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:48:28,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:28,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:48:32,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 161 states and 301 transitions. [2021-11-13 22:48:32,922 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 301 transitions. [2021-11-13 22:48:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:48:32,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:32,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:48:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 165 states and 309 transitions. [2021-11-13 22:48:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 309 transitions. [2021-11-13 22:48:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:48:41,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:41,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:41,147 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:48:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 169 states and 318 transitions. [2021-11-13 22:48:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 318 transitions. [2021-11-13 22:48:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:48:50,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:50,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 173 states and 330 transitions. [2021-11-13 22:49:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 330 transitions. [2021-11-13 22:49:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:49:06,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:06,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:23,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 179 states and 340 transitions. [2021-11-13 22:49:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 340 transitions. [2021-11-13 22:49:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:49:23,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:23,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:49:27,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:27,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 181 states and 341 transitions. [2021-11-13 22:49:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 341 transitions. [2021-11-13 22:49:27,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:49:27,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:27,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:32,571 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 189 states and 369 transitions. [2021-11-13 22:49:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 369 transitions. [2021-11-13 22:49:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:49:59,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:59,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:59,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:50:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 191 states and 371 transitions. [2021-11-13 22:50:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 371 transitions. [2021-11-13 22:50:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:50:04,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:04,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:50:12,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 195 states and 386 transitions. [2021-11-13 22:50:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 386 transitions. [2021-11-13 22:50:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:50:12,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:12,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:12,941 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:50:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 199 states and 392 transitions. [2021-11-13 22:50:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 392 transitions. [2021-11-13 22:50:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:50:21,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:21,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:50:31,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:31,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 203 states and 399 transitions. [2021-11-13 22:50:31,904 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 399 transitions. [2021-11-13 22:50:31,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:50:31,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:31,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:50:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 205 states and 401 transitions. [2021-11-13 22:50:37,352 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 401 transitions. [2021-11-13 22:50:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:50:37,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:37,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:50:52,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 209 states and 408 transitions. [2021-11-13 22:50:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 408 transitions. [2021-11-13 22:50:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:50:52,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:52,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:52,350 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:51:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 213 states and 414 transitions. [2021-11-13 22:51:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 414 transitions. [2021-11-13 22:51:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:51:01,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:01,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:51:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 217 states and 420 transitions. [2021-11-13 22:51:12,858 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 420 transitions. [2021-11-13 22:51:12,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:51:12,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:12,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:51:17,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 219 states and 423 transitions. [2021-11-13 22:51:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 423 transitions. [2021-11-13 22:51:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:51:17,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:17,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:51:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 221 states and 424 transitions. [2021-11-13 22:51:22,628 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 424 transitions. [2021-11-13 22:51:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:51:22,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:22,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:51:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 223 states and 425 transitions. [2021-11-13 22:51:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 425 transitions. [2021-11-13 22:51:28,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:51:28,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:28,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:51:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 225 states and 426 transitions. [2021-11-13 22:51:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 426 transitions. [2021-11-13 22:51:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:51:33,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:33,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:10,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 233 states and 447 transitions. [2021-11-13 22:52:10,073 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 447 transitions. [2021-11-13 22:52:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:52:10,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:10,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:10,884 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:52:20,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:20,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 234 states and 451 transitions. [2021-11-13 22:52:20,806 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 451 transitions. [2021-11-13 22:52:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:52:20,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:20,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:52:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 238 states and 466 transitions. [2021-11-13 22:52:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 466 transitions. [2021-11-13 22:52:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:52:54,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:54,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:53:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 246 states and 488 transitions. [2021-11-13 22:53:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 488 transitions. [2021-11-13 22:53:28,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:53:28,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:28,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:28,320 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:53:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:43,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 251 states and 501 transitions. [2021-11-13 22:53:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 501 transitions. [2021-11-13 22:53:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:53:43,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:43,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:53:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 253 states and 502 transitions. [2021-11-13 22:53:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 502 transitions. [2021-11-13 22:53:49,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:53:49,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:49,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:53:56,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:56,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 255 states and 503 transitions. [2021-11-13 22:53:56,526 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 503 transitions. [2021-11-13 22:53:56,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:53:56,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:56,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:54:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:00,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 255 states and 502 transitions. [2021-11-13 22:54:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 502 transitions. [2021-11-13 22:54:00,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:54:00,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:00,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:54:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:12,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 258 states and 510 transitions. [2021-11-13 22:54:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 510 transitions. [2021-11-13 22:54:12,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:54:12,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:12,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:54:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 260 states and 511 transitions. [2021-11-13 22:54:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 511 transitions. [2021-11-13 22:54:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:54:18,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:18,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:54:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 262 states and 512 transitions. [2021-11-13 22:54:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 512 transitions. [2021-11-13 22:54:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:54:24,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:24,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:54:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 264 states and 513 transitions. [2021-11-13 22:54:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 513 transitions. [2021-11-13 22:54:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:54:30,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:30,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:54:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 269 states and 524 transitions. [2021-11-13 22:54:46,113 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 524 transitions. [2021-11-13 22:54:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:54:46,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:46,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 274 states and 532 transitions. [2021-11-13 22:55:16,428 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 532 transitions. [2021-11-13 22:55:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:55:16,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:16,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:31,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:31,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 278 states and 540 transitions. [2021-11-13 22:55:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 540 transitions. [2021-11-13 22:55:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:55:31,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:31,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.