./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.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_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/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_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/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_f8183d1b-e689-4880-a11c-3de602bd9173/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 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:36:46,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:36:46,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:36:46,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:36:46,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:36:46,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:36:46,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:36:46,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:36:46,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:36:46,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:36:46,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:36:46,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:36:46,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:36:46,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:36:46,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:36:46,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:36:46,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:36:46,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:36:46,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:36:46,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:36:46,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:36:46,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:36:46,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:36:46,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:36:46,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:36:46,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:36:46,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:36:46,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:36:46,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:36:46,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:36:46,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:36:46,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:36:46,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:36:46,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:36:46,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:36:46,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:36:46,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:36:46,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:36:46,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:36:46,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:36:46,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:36:46,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:36:46,277 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:36:46,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:36:46,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:36:46,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:36:46,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:36:46,280 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:36:46,280 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:36:46,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:36:46,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:36:46,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:36:46,280 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:36:46,281 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:36:46,281 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:36:46,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:36:46,281 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:36:46,281 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:36:46,282 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:36:46,282 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:36:46,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:36:46,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:36:46,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:36:46,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:36:46,283 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:36:46,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:36:46,283 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_f8183d1b-e689-4880-a11c-3de602bd9173/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd [2021-11-13 23:36:46,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:36:46,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:36:46,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:36:46,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:36:46,621 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:36:46,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-11-13 23:36:46,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/data/31c0fe2fd/a6b6b277c041442c94d330dab402e8a6/FLAG6a240ed7f [2021-11-13 23:36:47,260 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:36:47,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-11-13 23:36:47,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/data/31c0fe2fd/a6b6b277c041442c94d330dab402e8a6/FLAG6a240ed7f [2021-11-13 23:36:47,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/data/31c0fe2fd/a6b6b277c041442c94d330dab402e8a6 [2021-11-13 23:36:47,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:36:47,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:36:47,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:36:47,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:36:47,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:36:47,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:36:47" (1/1) ... [2021-11-13 23:36:47,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54886799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:47, skipping insertion in model container [2021-11-13 23:36:47,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:36:47" (1/1) ... [2021-11-13 23:36:47,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:36:47,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:36:47,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:36:48,005 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:36:48,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:36:48,071 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:36:48,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48 WrapperNode [2021-11-13 23:36:48,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:36:48,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:36:48,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:36:48,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:36:48,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:36:48,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:36:48,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:36:48,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:36:48,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:36:48,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:36:48,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:36:48,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:36:48,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:36:48,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:36:48,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:36:48,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8183d1b-e689-4880-a11c-3de602bd9173/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:36:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:36:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:36:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:36:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:36:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:36:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:36:48,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:36:48,691 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:36:48,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:36:48 BoogieIcfgContainer [2021-11-13 23:36:48,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:36:48,695 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:36:48,695 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:36:48,703 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:36:48,703 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:36:48" (1/1) ... [2021-11-13 23:36:48,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:36:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:48,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2021-11-13 23:36:48,764 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-11-13 23:36:48,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:36:48,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:48,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2021-11-13 23:36:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-11-13 23:36:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:36:48,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:48,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:49,172 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 23:36:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2021-11-13 23:36:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2021-11-13 23:36:49,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:36:49,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:49,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:49,469 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 23:36:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:49,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2021-11-13 23:36:49,489 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-11-13 23:36:49,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:36:49,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:49,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:49,596 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 23:36:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2021-11-13 23:36:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2021-11-13 23:36:49,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:36:49,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:49,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:49,949 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 23:36:50,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2021-11-13 23:36:50,251 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-11-13 23:36:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:36:50,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:50,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:50,378 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 23:36:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:50,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2021-11-13 23:36:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2021-11-13 23:36:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:36:50,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:50,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:51,036 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 23:36:51,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:51,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2021-11-13 23:36:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2021-11-13 23:36:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:36:51,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:51,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:51,171 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 23:36:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2021-11-13 23:36:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2021-11-13 23:36:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:36:52,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:52,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2021-11-13 23:36:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2021-11-13 23:36:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:36:52,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:52,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:52,562 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 23:36:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2021-11-13 23:36:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2021-11-13 23:36:52,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:36:52,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:52,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:52,928 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 23:36:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 83 transitions. [2021-11-13 23:36:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 83 transitions. [2021-11-13 23:36:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:36:53,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:53,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:53,398 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 23:36:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2021-11-13 23:36:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2021-11-13 23:36:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:36:53,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:53,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:53,676 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 23:36:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2021-11-13 23:36:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2021-11-13 23:36:53,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:36:53,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:53,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:54,057 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 23:36:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:54,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2021-11-13 23:36:54,977 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2021-11-13 23:36:54,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:36:54,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:54,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:54,992 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 23:36:55,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2021-11-13 23:36:55,204 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2021-11-13 23:36:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:36:55,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:55,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:55,235 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 23:36:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2021-11-13 23:36:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2021-11-13 23:36:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:36:55,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:55,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:55,676 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 23:36:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 56 states and 89 transitions. [2021-11-13 23:36:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2021-11-13 23:36:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:36:56,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:56,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:56,306 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 23:36:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2021-11-13 23:36:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2021-11-13 23:36:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:36:57,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:57,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:57,297 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 23:36:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2021-11-13 23:36:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2021-11-13 23:36:57,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:36:57,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:57,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:57,858 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 23:36:58,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2021-11-13 23:36:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2021-11-13 23:36:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:36:58,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:58,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:58,325 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 23:36:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2021-11-13 23:36:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2021-11-13 23:36:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:36:58,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:58,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:58,661 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 23:36:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:58,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2021-11-13 23:36:58,942 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2021-11-13 23:36:58,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:36:58,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:58,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:59,173 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 23:36:59,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2021-11-13 23:36:59,637 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-11-13 23:36:59,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:36:59,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:59,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:59,664 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 23:36:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2021-11-13 23:36:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2021-11-13 23:36:59,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:36:59,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:59,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:00,083 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 23:37:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:00,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2021-11-13 23:37:00,648 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2021-11-13 23:37:00,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:37:00,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:00,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:00,759 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 23:37:00,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2021-11-13 23:37:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2021-11-13 23:37:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:37:00,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:00,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:00,997 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 23:37:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2021-11-13 23:37:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2021-11-13 23:37:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:37:01,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:01,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:01,653 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 23:37:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2021-11-13 23:37:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2021-11-13 23:37:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:37:02,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:02,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:02,524 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 23:37:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2021-11-13 23:37:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2021-11-13 23:37:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:37:03,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:03,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:03,993 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 23:37:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:04,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2021-11-13 23:37:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2021-11-13 23:37:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:37:04,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:04,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:05,128 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 23:37:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 59 states and 90 transitions. [2021-11-13 23:37:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2021-11-13 23:37:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:37:10,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:10,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:11,900 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 23:37:16,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 64 states and 98 transitions. [2021-11-13 23:37:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2021-11-13 23:37:16,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:37:16,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:16,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:16,502 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 23:37:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 116 transitions. [2021-11-13 23:37:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 116 transitions. [2021-11-13 23:37:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:37:23,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:23,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:37:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 74 states and 119 transitions. [2021-11-13 23:37:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 119 transitions. [2021-11-13 23:37:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:37:26,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:26,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:27,103 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 23:37:34,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:34,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 80 states and 132 transitions. [2021-11-13 23:37:34,714 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 132 transitions. [2021-11-13 23:37:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:37:34,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:34,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:37:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:35,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 81 states and 132 transitions. [2021-11-13 23:37:35,425 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 132 transitions. [2021-11-13 23:37:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:37:35,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:35,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:35,683 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 23:37:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 89 states and 147 transitions. [2021-11-13 23:37:43,127 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2021-11-13 23:37:43,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:37:43,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:43,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:43,333 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 23:37:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:47,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 91 states and 150 transitions. [2021-11-13 23:37:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 150 transitions. [2021-11-13 23:37:47,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:37:47,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:47,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:47,972 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 23:37:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:50,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 94 states and 155 transitions. [2021-11-13 23:37:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 155 transitions. [2021-11-13 23:37:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:37:50,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:50,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:50,595 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 23:37:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 158 transitions. [2021-11-13 23:37:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 158 transitions. [2021-11-13 23:37:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:37:52,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:52,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:54,204 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 23:38:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:00,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 102 states and 166 transitions. [2021-11-13 23:38:00,508 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 166 transitions. [2021-11-13 23:38:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:38:00,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:00,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:00,547 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 23:38:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:02,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 104 states and 169 transitions. [2021-11-13 23:38:02,470 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 169 transitions. [2021-11-13 23:38:02,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:38:02,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:02,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:03,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 114 states and 201 transitions. [2021-11-13 23:38:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 201 transitions. [2021-11-13 23:38:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:38:15,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:15,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:15,680 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 23:38:16,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:16,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 106 states and 185 transitions. [2021-11-13 23:38:16,699 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 185 transitions. [2021-11-13 23:38:16,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:38:16,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:16,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:17,853 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 23:38:26,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 113 states and 198 transitions. [2021-11-13 23:38:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 198 transitions. [2021-11-13 23:38:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:26,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:26,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:38:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:28,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 115 states and 202 transitions. [2021-11-13 23:38:28,616 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 202 transitions. [2021-11-13 23:38:28,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:28,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:28,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:38:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 201 transitions. [2021-11-13 23:38:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2021-11-13 23:38:29,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:29,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:29,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:38:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 117 states and 201 transitions. [2021-11-13 23:38:33,566 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2021-11-13 23:38:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:33,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:33,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:33,776 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 23:38:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 117 states and 200 transitions. [2021-11-13 23:38:34,873 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 200 transitions. [2021-11-13 23:38:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:34,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:34,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:34,888 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 23:38:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 112 states and 193 transitions. [2021-11-13 23:38:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 193 transitions. [2021-11-13 23:38:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:38:36,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:36,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:36,822 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 23:38:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 114 states and 200 transitions. [2021-11-13 23:38:39,500 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 200 transitions. [2021-11-13 23:38:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:38:39,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:39,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:38:41,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:41,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 116 states and 204 transitions. [2021-11-13 23:38:41,552 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 204 transitions. [2021-11-13 23:38:41,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:38:41,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:41,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:38:42,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:42,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 116 states and 202 transitions. [2021-11-13 23:38:42,847 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 202 transitions. [2021-11-13 23:38:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:38:42,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:42,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:38:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 116 states and 201 transitions. [2021-11-13 23:38:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 201 transitions. [2021-11-13 23:38:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:38:45,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:45,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:38:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:46,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 118 states and 204 transitions. [2021-11-13 23:38:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 204 transitions. [2021-11-13 23:38:46,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:38:46,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:46,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:38:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 120 states and 209 transitions. [2021-11-13 23:38:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 209 transitions. [2021-11-13 23:38:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:38:47,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:47,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:38:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 117 states and 201 transitions. [2021-11-13 23:38:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2021-11-13 23:38:48,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:38:48,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:48,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:38:55,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 118 states and 201 transitions. [2021-11-13 23:38:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 201 transitions. [2021-11-13 23:38:55,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:38:55,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:55,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:39:25,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 239 transitions. [2021-11-13 23:39:25,241 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 239 transitions. [2021-11-13 23:39:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:39:25,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:25,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:39:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:39,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 144 states and 260 transitions. [2021-11-13 23:39:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 260 transitions. [2021-11-13 23:39:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:39:39,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:39,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:39:41,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:41,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 145 states and 263 transitions. [2021-11-13 23:39:41,688 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 263 transitions. [2021-11-13 23:39:41,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:39:41,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:41,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:49,001 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 23:40:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:09,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 154 states and 280 transitions. [2021-11-13 23:40:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 280 transitions. [2021-11-13 23:40:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:40:09,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:09,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:10,016 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 23:40:23,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:23,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 162 states and 295 transitions. [2021-11-13 23:40:23,296 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 295 transitions. [2021-11-13 23:40:23,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:40:23,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:23,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:23,491 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 23:40:33,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 168 states and 312 transitions. [2021-11-13 23:40:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 312 transitions. [2021-11-13 23:40:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:40:33,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:33,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:33,345 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 23:40:34,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 169 states and 314 transitions. [2021-11-13 23:40:34,984 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 314 transitions. [2021-11-13 23:40:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:40:34,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:34,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:36,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:40:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 170 states and 313 transitions. [2021-11-13 23:40:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 313 transitions. [2021-11-13 23:40:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:40:44,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:44,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:41:19,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 179 states and 340 transitions. [2021-11-13 23:41:19,966 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 340 transitions. [2021-11-13 23:41:19,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:41:19,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:19,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:41:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 186 states and 353 transitions. [2021-11-13 23:41:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 353 transitions. [2021-11-13 23:41:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:41:34,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:34,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:41:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 187 states and 357 transitions. [2021-11-13 23:41:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 357 transitions. [2021-11-13 23:41:36,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:41:36,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:36,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:36,752 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 23:41:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 191 states and 361 transitions. [2021-11-13 23:41:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 361 transitions. [2021-11-13 23:41:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:41:44,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:44,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:44,080 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 23:41:55,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 197 states and 371 transitions. [2021-11-13 23:41:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 371 transitions. [2021-11-13 23:41:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:41:55,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:55,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:55,409 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 23:42:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 202 states and 380 transitions. [2021-11-13 23:42:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 380 transitions. [2021-11-13 23:42:04,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:42:04,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,372 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 23:42:15,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 208 states and 391 transitions. [2021-11-13 23:42:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 391 transitions. [2021-11-13 23:42:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:42:15,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:15,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:42:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 209 states and 391 transitions. [2021-11-13 23:42:17,086 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 391 transitions. [2021-11-13 23:42:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:42:17,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:17,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:42:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 217 states and 408 transitions. [2021-11-13 23:42:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 408 transitions. [2021-11-13 23:42:42,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:42:42,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:42,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:43:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 226 states and 427 transitions. [2021-11-13 23:43:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 427 transitions. [2021-11-13 23:43:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:43:02,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:02,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:43:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 227 states and 433 transitions. [2021-11-13 23:43:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 433 transitions. [2021-11-13 23:43:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:43:05,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:05,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:44:16,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:16,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 249 states and 492 transitions. [2021-11-13 23:44:16,006 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 492 transitions. [2021-11-13 23:44:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:44:16,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:16,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:44:18,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 250 states and 495 transitions. [2021-11-13 23:44:18,405 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 495 transitions. [2021-11-13 23:44:18,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:44:18,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:18,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:44:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 253 states and 499 transitions. [2021-11-13 23:44:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 499 transitions. [2021-11-13 23:44:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:44:24,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:24,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:45:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:04,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 263 states and 525 transitions. [2021-11-13 23:45:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 525 transitions. [2021-11-13 23:45:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:45:04,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:04,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:18,767 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:21,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:21,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 280 states and 567 transitions. [2021-11-13 23:46:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 567 transitions. [2021-11-13 23:46:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:46:21,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:21,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 284 states and 573 transitions. [2021-11-13 23:46:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 573 transitions. [2021-11-13 23:46:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:46:30,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:30,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:46:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 289 states and 584 transitions. [2021-11-13 23:46:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 584 transitions. [2021-11-13 23:46:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:46:43,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:43,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:46:52,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:52,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 292 states and 588 transitions. [2021-11-13 23:46:52,113 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 588 transitions. [2021-11-13 23:46:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:46:52,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:52,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:46:54,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 293 states and 589 transitions. [2021-11-13 23:46:54,722 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 589 transitions. [2021-11-13 23:46:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:46:54,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:54,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:48:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 302 states and 609 transitions. [2021-11-13 23:48:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 609 transitions. [2021-11-13 23:48:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:48:02,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:02,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:48:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 307 states and 620 transitions. [2021-11-13 23:48:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 620 transitions. [2021-11-13 23:48:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:48:15,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:15,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:48:24,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 310 states and 624 transitions. [2021-11-13 23:48:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 624 transitions. [2021-11-13 23:48:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:48:24,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:24,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:24,234 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:48:26,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 311 states and 625 transitions. [2021-11-13 23:48:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 625 transitions. [2021-11-13 23:48:26,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:48:26,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:26,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.