./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/skiplist_3lvl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/skiplist_3lvl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a92c386f0a3e93e7f4997075243ca49a5a9660dc1b84c645c53a036868e1508d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:22:04,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:22:04,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:22:04,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:22:04,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:22:04,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:22:04,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:22:04,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:22:04,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:22:04,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:22:04,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:22:04,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:22:04,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:22:04,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:22:04,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:22:04,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:22:04,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:22:04,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:22:04,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:22:04,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:22:04,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:22:04,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:22:04,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:22:04,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:22:04,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:22:04,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:22:04,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:22:04,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:22:04,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:22:04,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:22:04,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:22:04,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:22:04,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:22:04,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:22:04,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:22:04,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:22:04,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:22:04,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:22:04,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:22:04,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:22:04,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:22:04,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:22:04,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:22:04,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:22:04,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:22:04,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:22:04,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:22:04,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:22:04,544 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:22:04,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:22:04,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:22:04,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:22:04,545 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:22:04,545 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:22:04,545 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:22:04,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:22:04,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:22:04,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:22:04,546 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:22:04,546 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:22:04,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:22:04,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:04,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:22:04,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:22:04,547 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:22:04,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:22:04,548 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_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a92c386f0a3e93e7f4997075243ca49a5a9660dc1b84c645c53a036868e1508d [2021-11-23 01:22:04,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:22:04,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:22:04,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:22:04,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:22:04,820 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:22:04,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety-ext/skiplist_3lvl.i [2021-11-23 01:22:04,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/data/7b0d175b5/781f0b1b7d0d4ed78cf156e5b2afc4da/FLAG4ea9f9549 [2021-11-23 01:22:05,382 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:22:05,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/sv-benchmarks/c/memsafety-ext/skiplist_3lvl.i [2021-11-23 01:22:05,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/data/7b0d175b5/781f0b1b7d0d4ed78cf156e5b2afc4da/FLAG4ea9f9549 [2021-11-23 01:22:05,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/data/7b0d175b5/781f0b1b7d0d4ed78cf156e5b2afc4da [2021-11-23 01:22:05,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:22:05,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:22:05,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:05,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:22:05,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:22:05,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:05" (1/1) ... [2021-11-23 01:22:05,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b94a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:05, skipping insertion in model container [2021-11-23 01:22:05,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:05" (1/1) ... [2021-11-23 01:22:05,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:22:05,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:22:06,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:06,115 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:22:06,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:06,236 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:22:06,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06 WrapperNode [2021-11-23 01:22:06,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:06,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:06,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:22:06,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:22:06,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06" (1/1) ... [2021-11-23 01:22:06,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06" (1/1) ... [2021-11-23 01:22:06,310 INFO L137 Inliner]: procedures = 127, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 175 [2021-11-23 01:22:06,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:06,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:22:06,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:22:06,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:22:06,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06" (1/1) ... [2021-11-23 01:22:06,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06" (1/1) ... [2021-11-23 01:22:06,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06" (1/1) ... [2021-11-23 01:22:06,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06" (1/1) ... [2021-11-23 01:22:06,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06" (1/1) ... [2021-11-23 01:22:06,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06" (1/1) ... [2021-11-23 01:22:06,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06" (1/1) ... [2021-11-23 01:22:06,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:22:06,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:22:06,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:22:06,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:22:06,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:06" (1/1) ... [2021-11-23 01:22:06,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:06,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:22:06,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:22:06,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0c9f73-acb7-4bf8-8d77-3db8634c6819/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:22:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:22:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:22:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:22:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:22:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:22:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:22:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:22:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:22:06,547 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:22:06,549 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:22:07,116 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:22:07,195 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:22:07,195 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 01:22:07,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:07 BoogieIcfgContainer [2021-11-23 01:22:07,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:22:07,199 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:22:07,200 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:22:07,210 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:22:07,211 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:07" (1/1) ... [2021-11-23 01:22:07,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:22:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 146 states and 157 transitions. [2021-11-23 01:22:07,290 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 157 transitions. [2021-11-23 01:22:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:22:07,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:07,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 145 states and 156 transitions. [2021-11-23 01:22:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 156 transitions. [2021-11-23 01:22:07,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:22:07,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 144 states and 155 transitions. [2021-11-23 01:22:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 155 transitions. [2021-11-23 01:22:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:22:07,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:07,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 143 states and 154 transitions. [2021-11-23 01:22:07,790 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 154 transitions. [2021-11-23 01:22:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:22:07,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 142 states and 153 transitions. [2021-11-23 01:22:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 153 transitions. [2021-11-23 01:22:07,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:22:07,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 141 states and 152 transitions. [2021-11-23 01:22:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2021-11-23 01:22:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:22:07,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:08,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 140 states and 151 transitions. [2021-11-23 01:22:08,130 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 151 transitions. [2021-11-23 01:22:08,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:22:08,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:08,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 139 states and 150 transitions. [2021-11-23 01:22:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 150 transitions. [2021-11-23 01:22:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:22:08,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:08,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:08,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:08,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 138 states and 149 transitions. [2021-11-23 01:22:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2021-11-23 01:22:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:22:08,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:08,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:08,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 137 states and 148 transitions. [2021-11-23 01:22:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 148 transitions. [2021-11-23 01:22:08,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:22:08,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:08,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 136 states and 147 transitions. [2021-11-23 01:22:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2021-11-23 01:22:08,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:22:08,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:08,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:08,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2021-11-23 01:22:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2021-11-23 01:22:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:22:08,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:08,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2021-11-23 01:22:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2021-11-23 01:22:08,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:22:08,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:08,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:09,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2021-11-23 01:22:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2021-11-23 01:22:09,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:22:09,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:09,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:09,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2021-11-23 01:22:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2021-11-23 01:22:10,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:22:10,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:10,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:11,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 131 states and 142 transitions. [2021-11-23 01:22:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2021-11-23 01:22:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:22:11,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:11,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 141 transitions. [2021-11-23 01:22:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 141 transitions. [2021-11-23 01:22:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:22:13,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:13,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:15,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 129 states and 140 transitions. [2021-11-23 01:22:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2021-11-23 01:22:15,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:22:15,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:15,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 128 states and 139 transitions. [2021-11-23 01:22:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 139 transitions. [2021-11-23 01:22:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:22:19,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:19,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:19,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 127 states and 138 transitions. [2021-11-23 01:22:19,889 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2021-11-23 01:22:19,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:22:19,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:19,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:20,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 126 states and 137 transitions. [2021-11-23 01:22:20,693 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 137 transitions. [2021-11-23 01:22:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:22:20,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:20,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 125 states and 136 transitions. [2021-11-23 01:22:20,726 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2021-11-23 01:22:20,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:22:20,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:20,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:20,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 124 states and 135 transitions. [2021-11-23 01:22:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 135 transitions. [2021-11-23 01:22:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:22:20,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 123 states and 134 transitions. [2021-11-23 01:22:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 134 transitions. [2021-11-23 01:22:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:22:20,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 122 states and 133 transitions. [2021-11-23 01:22:20,843 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 133 transitions. [2021-11-23 01:22:20,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:22:20,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:21,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 121 states and 132 transitions. [2021-11-23 01:22:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2021-11-23 01:22:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:22:26,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:26,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 120 states and 131 transitions. [2021-11-23 01:22:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 131 transitions. [2021-11-23 01:22:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:22:35,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:35,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:36,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 119 states and 130 transitions. [2021-11-23 01:22:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2021-11-23 01:22:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:22:37,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:37,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 118 states and 129 transitions. [2021-11-23 01:22:40,256 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 129 transitions. [2021-11-23 01:22:40,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:22:40,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:40,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 117 states and 128 transitions. [2021-11-23 01:22:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 128 transitions. [2021-11-23 01:22:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:22:43,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:43,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 116 states and 127 transitions. [2021-11-23 01:22:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 127 transitions. [2021-11-23 01:22:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:22:48,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:48,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 119 states and 131 transitions. [2021-11-23 01:22:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2021-11-23 01:22:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:22:50,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:50,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 122 states and 136 transitions. [2021-11-23 01:22:54,732 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 136 transitions. [2021-11-23 01:22:54,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:54,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:54,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:55,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 124 states and 138 transitions. [2021-11-23 01:22:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 138 transitions. [2021-11-23 01:22:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:55,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:55,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 126 states and 141 transitions. [2021-11-23 01:22:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 141 transitions. [2021-11-23 01:22:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:56,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:56,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 130 states and 148 transitions. [2021-11-23 01:23:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 148 transitions. [2021-11-23 01:23:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:23:17,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:17,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:22,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 134 states and 156 transitions. [2021-11-23 01:23:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2021-11-23 01:23:41,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:41,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:41,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 136 states and 160 transitions. [2021-11-23 01:23:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 160 transitions. [2021-11-23 01:23:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:42,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:42,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 138 states and 164 transitions. [2021-11-23 01:23:45,147 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 164 transitions. [2021-11-23 01:23:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:23:45,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:45,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 144 states and 176 transitions. [2021-11-23 01:24:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 176 transitions. [2021-11-23 01:24:06,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:24:06,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:06,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 145 states and 178 transitions. [2021-11-23 01:24:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2021-11-23 01:24:07,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:24:07,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:07,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:07,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:10,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 146 states and 179 transitions. [2021-11-23 01:24:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 179 transitions. [2021-11-23 01:24:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:24:10,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:10,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 153 states and 192 transitions. [2021-11-23 01:24:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 192 transitions. [2021-11-23 01:24:38,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:24:38,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:38,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 152 states and 191 transitions. [2021-11-23 01:24:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 191 transitions. [2021-11-23 01:24:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:24:38,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:38,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:38,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:38,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 151 states and 190 transitions. [2021-11-23 01:24:38,656 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2021-11-23 01:24:38,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:24:38,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:38,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 153 states and 194 transitions. [2021-11-23 01:24:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 194 transitions. [2021-11-23 01:24:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:24:39,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:39,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:40,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:42,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 155 states and 197 transitions. [2021-11-23 01:24:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 197 transitions. [2021-11-23 01:24:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:24:42,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:42,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 154 states and 196 transitions. [2021-11-23 01:24:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 196 transitions. [2021-11-23 01:24:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:24:45,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:45,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 160 states and 207 transitions. [2021-11-23 01:24:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2021-11-23 01:24:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:24:54,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:54,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 166 states and 218 transitions. [2021-11-23 01:25:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 218 transitions. [2021-11-23 01:25:03,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:25:03,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:03,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:04,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:04,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 168 states and 220 transitions. [2021-11-23 01:25:04,314 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2021-11-23 01:25:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:25:04,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:04,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 172 states and 227 transitions. [2021-11-23 01:25:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 227 transitions. [2021-11-23 01:25:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:25:20,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:20,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:22,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 178 states and 240 transitions. [2021-11-23 01:26:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 240 transitions. [2021-11-23 01:26:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:26:22,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:22,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:29,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:29,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 183 states and 250 transitions. [2021-11-23 01:27:29,272 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 250 transitions. [2021-11-23 01:27:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:27:29,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:29,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 184 states and 252 transitions. [2021-11-23 01:27:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2021-11-23 01:27:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:27:30,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:30,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 185 states and 253 transitions. [2021-11-23 01:27:32,895 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 253 transitions. [2021-11-23 01:27:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:27:32,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:32,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 187 states and 257 transitions. [2021-11-23 01:27:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 257 transitions. [2021-11-23 01:27:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:27:34,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 189 states and 260 transitions. [2021-11-23 01:27:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 260 transitions. [2021-11-23 01:27:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:27:36,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 197 states and 274 transitions. [2021-11-23 01:28:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 274 transitions. [2021-11-23 01:28:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:28:11,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:11,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 208 states and 293 transitions. [2021-11-23 01:29:48,125 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 293 transitions. [2021-11-23 01:29:48,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:29:48,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:48,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:48,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:50,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 207 states and 292 transitions. [2021-11-23 01:29:50,647 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 292 transitions. [2021-11-23 01:29:50,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:29:50,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:50,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:57,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 206 states and 291 transitions. [2021-11-23 01:29:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 291 transitions. [2021-11-23 01:29:57,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:29:57,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:57,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 210 states and 304 transitions. [2021-11-23 01:30:13,572 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 304 transitions. [2021-11-23 01:30:13,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:30:13,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:13,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:22,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 213 states and 309 transitions. [2021-11-23 01:30:22,238 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 309 transitions. [2021-11-23 01:30:22,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:30:22,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:22,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 218 states and 319 transitions. [2021-11-23 01:30:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 319 transitions. [2021-11-23 01:30:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:30:35,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:35,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:14,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 228 states and 342 transitions. [2021-11-23 01:32:14,227 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 342 transitions. [2021-11-23 01:32:14,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:32:14,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:14,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:14,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:23,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 229 states and 344 transitions. [2021-11-23 01:32:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 344 transitions. [2021-11-23 01:32:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:32:23,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:23,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 241 states and 363 transitions. [2021-11-23 01:33:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 363 transitions. [2021-11-23 01:33:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:33:47,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:47,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 243 states and 367 transitions. [2021-11-23 01:33:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 367 transitions. [2021-11-23 01:33:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:33:50,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:50,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 245 states and 370 transitions. [2021-11-23 01:33:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 370 transitions. [2021-11-23 01:33:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:33:53,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:53,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:34:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 253 states and 380 transitions. [2021-11-23 01:34:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 380 transitions. [2021-11-23 01:34:15,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:34:15,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:15,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.