./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:36:18,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:36:18,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:36:18,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:36:18,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:36:18,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:36:18,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:36:18,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:36:18,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:36:18,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:36:18,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:36:18,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:36:18,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:36:18,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:36:18,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:36:18,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:36:18,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:36:18,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:36:18,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:36:18,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:36:18,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:36:18,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:36:18,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:36:18,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:36:18,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:36:18,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:36:18,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:36:18,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:36:18,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:36:18,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:36:18,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:36:18,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:36:18,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:36:18,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:36:18,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:36:18,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:36:18,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:36:18,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:36:18,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:36:18,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:36:18,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:36:18,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 06:36:18,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:36:18,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:36:18,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:36:18,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:36:18,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:36:18,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:36:18,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:36:18,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:36:18,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:36:18,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:36:18,679 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 06:36:18,679 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 06:36:18,679 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 06:36:18,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:36:18,680 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:36:18,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:36:18,680 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:36:18,680 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:36:18,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:36:18,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:36:18,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:36:18,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:36:18,682 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:36:18,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:36:18,682 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_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 [2021-11-21 06:36:19,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:36:19,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:36:19,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:36:19,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:36:19,058 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:36:19,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2021-11-21 06:36:19,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/data/7c71a3a87/ba79c24da0d44aa39950938d5a3fd0f7/FLAG18b9b0b24 [2021-11-21 06:36:19,769 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:36:19,769 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2021-11-21 06:36:19,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/data/7c71a3a87/ba79c24da0d44aa39950938d5a3fd0f7/FLAG18b9b0b24 [2021-11-21 06:36:20,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/data/7c71a3a87/ba79c24da0d44aa39950938d5a3fd0f7 [2021-11-21 06:36:20,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:36:20,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:36:20,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:36:20,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:36:20,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:36:20,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8c651a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20, skipping insertion in model container [2021-11-21 06:36:20,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:36:20,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:36:20,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:36:20,648 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:36:20,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:36:20,760 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:36:20,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20 WrapperNode [2021-11-21 06:36:20,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:36:20,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:36:20,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:36:20,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:36:20,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,838 INFO L137 Inliner]: procedures = 117, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2021-11-21 06:36:20,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:36:20,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:36:20,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:36:20,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:36:20,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:36:20,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:36:20,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:36:20,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:36:20,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:20" (1/1) ... [2021-11-21 06:36:20,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:36:20,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:36:20,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:36:20,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ace7d6-ffd1-4245-82af-f395d71a5604/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:36:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:36:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:36:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:36:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:36:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:36:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:36:21,166 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:36:21,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:36:21,487 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:36:21,569 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:36:21,569 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-21 06:36:21,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:21 BoogieIcfgContainer [2021-11-21 06:36:21,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:36:21,574 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:36:21,574 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:36:21,585 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:36:21,586 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:21" (1/1) ... [2021-11-21 06:36:21,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:36:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2021-11-21 06:36:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2021-11-21 06:36:21,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 06:36:21,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:21,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2021-11-21 06:36:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-21 06:36:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:36:21,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:21,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:22,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:22,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2021-11-21 06:36:22,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2021-11-21 06:36:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:36:22,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:22,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:22,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2021-11-21 06:36:22,584 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2021-11-21 06:36:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:36:22,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:22,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:22,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2021-11-21 06:36:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-11-21 06:36:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:36:22,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:22,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2021-11-21 06:36:23,571 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2021-11-21 06:36:23,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:36:23,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:23,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:23,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2021-11-21 06:36:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-11-21 06:36:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:36:23,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:23,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:24,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2021-11-21 06:36:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2021-11-21 06:36:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:36:24,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:24,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:25,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2021-11-21 06:36:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2021-11-21 06:36:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:36:25,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:25,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2021-11-21 06:36:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2021-11-21 06:36:25,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:36:25,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:25,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2021-11-21 06:36:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2021-11-21 06:36:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:36:27,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:27,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:28,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 50 states and 87 transitions. [2021-11-21 06:36:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2021-11-21 06:36:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:36:28,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:28,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:36:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2021-11-21 06:36:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2021-11-21 06:36:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:36:29,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:29,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:30,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 93 transitions. [2021-11-21 06:36:30,040 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2021-11-21 06:36:30,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:36:30,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:30,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 55 states and 102 transitions. [2021-11-21 06:36:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 102 transitions. [2021-11-21 06:36:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:36:31,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:31,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:36:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 107 transitions. [2021-11-21 06:36:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2021-11-21 06:36:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:36:31,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:31,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:31,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:32,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 58 states and 110 transitions. [2021-11-21 06:36:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 110 transitions. [2021-11-21 06:36:32,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:36:32,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:32,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 111 transitions. [2021-11-21 06:36:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2021-11-21 06:36:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:36:32,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:32,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:33,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 61 states and 116 transitions. [2021-11-21 06:36:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 116 transitions. [2021-11-21 06:36:33,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:36:33,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:33,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:34,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:34,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:34,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 56 states and 99 transitions. [2021-11-21 06:36:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 99 transitions. [2021-11-21 06:36:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:36:34,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:34,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 59 states and 106 transitions. [2021-11-21 06:36:36,880 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2021-11-21 06:36:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:36:36,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:36,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:38,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 61 states and 111 transitions. [2021-11-21 06:36:38,609 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 111 transitions. [2021-11-21 06:36:38,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:36:38,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:38,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:36:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:39,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 56 states and 100 transitions. [2021-11-21 06:36:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2021-11-21 06:36:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:36:39,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:39,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 95 transitions. [2021-11-21 06:36:40,177 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2021-11-21 06:36:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:36:40,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:40,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:42,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:42,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 56 states and 102 transitions. [2021-11-21 06:36:42,711 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 102 transitions. [2021-11-21 06:36:42,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:36:42,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:42,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:36:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:43,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 57 states and 106 transitions. [2021-11-21 06:36:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2021-11-21 06:36:43,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:36:43,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:43,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 58 states and 106 transitions. [2021-11-21 06:36:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 106 transitions. [2021-11-21 06:36:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:36:44,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:44,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:36:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 59 states and 107 transitions. [2021-11-21 06:36:44,506 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2021-11-21 06:36:44,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:36:44,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:44,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:36:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:45,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 60 states and 107 transitions. [2021-11-21 06:36:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 107 transitions. [2021-11-21 06:36:45,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:36:45,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:45,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:45,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:45,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2021-11-21 06:36:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2021-11-21 06:36:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:36:45,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:45,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:45,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:46,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 62 states and 112 transitions. [2021-11-21 06:36:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2021-11-21 06:36:46,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:36:46,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:46,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:47,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 112 transitions. [2021-11-21 06:36:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2021-11-21 06:36:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:36:47,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:47,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:49,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 65 states and 117 transitions. [2021-11-21 06:36:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 117 transitions. [2021-11-21 06:36:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:36:49,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:49,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:49,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2021-11-21 06:36:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2021-11-21 06:36:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:36:51,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:51,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:52,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 70 states and 127 transitions. [2021-11-21 06:36:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 127 transitions. [2021-11-21 06:36:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:36:52,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:52,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:55,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:55,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 136 transitions. [2021-11-21 06:36:55,665 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 136 transitions. [2021-11-21 06:36:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:36:55,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:55,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 50 states and 81 transitions. [2021-11-21 06:36:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2021-11-21 06:36:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:36:57,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:57,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:36:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2021-11-21 06:36:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2021-11-21 06:36:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:36:58,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:58,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:37:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2021-11-21 06:37:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2021-11-21 06:37:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:37:02,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:02,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:03,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:03,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2021-11-21 06:37:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2021-11-21 06:37:03,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:37:03,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:03,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 97 transitions. [2021-11-21 06:37:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2021-11-21 06:37:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:37:05,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:05,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2021-11-21 06:37:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2021-11-21 06:37:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:37:07,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:07,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:11,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2021-11-21 06:37:11,918 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2021-11-21 06:37:11,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:37:11,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:11,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:37:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2021-11-21 06:37:12,779 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2021-11-21 06:37:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:37:12,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:12,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:37:13,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 63 states and 100 transitions. [2021-11-21 06:37:13,998 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2021-11-21 06:37:13,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:37:13,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:13,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:14,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 73 states and 124 transitions. [2021-11-21 06:37:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2021-11-21 06:37:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:37:22,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:22,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 82 states and 143 transitions. [2021-11-21 06:37:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 143 transitions. [2021-11-21 06:37:35,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:37:35,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:35,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:37:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 83 states and 143 transitions. [2021-11-21 06:37:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 143 transitions. [2021-11-21 06:37:36,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:37:36,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:36,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:37:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2021-11-21 06:37:47,899 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2021-11-21 06:37:47,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:37:47,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:47,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:37:49,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 92 states and 166 transitions. [2021-11-21 06:37:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2021-11-21 06:37:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:37:49,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:49,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 93 states and 168 transitions. [2021-11-21 06:37:51,923 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 168 transitions. [2021-11-21 06:37:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:37:51,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:51,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:51,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:37:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:54,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 94 states and 171 transitions. [2021-11-21 06:37:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 171 transitions. [2021-11-21 06:37:54,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:37:54,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:54,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:56,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:10,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:10,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 102 states and 193 transitions. [2021-11-21 06:38:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 193 transitions. [2021-11-21 06:38:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:38:10,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:10,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:38:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:13,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 104 states and 195 transitions. [2021-11-21 06:38:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 195 transitions. [2021-11-21 06:38:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:38:13,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:13,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:38:15,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 106 states and 199 transitions. [2021-11-21 06:38:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 199 transitions. [2021-11-21 06:38:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:38:15,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:15,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:38:20,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:20,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 110 states and 207 transitions. [2021-11-21 06:38:20,904 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 207 transitions. [2021-11-21 06:38:20,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:38:20,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:20,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:38:22,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:22,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 111 states and 208 transitions. [2021-11-21 06:38:22,250 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 208 transitions. [2021-11-21 06:38:22,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:38:22,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:22,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:38:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 112 states and 212 transitions. [2021-11-21 06:38:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2021-11-21 06:38:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:38:25,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:25,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:38:27,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 112 states and 211 transitions. [2021-11-21 06:38:27,184 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 211 transitions. [2021-11-21 06:38:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:38:27,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:27,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:38:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 114 states and 214 transitions. [2021-11-21 06:38:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 214 transitions. [2021-11-21 06:38:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:38:30,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:30,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:38:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:31,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 114 states and 212 transitions. [2021-11-21 06:38:31,934 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 212 transitions. [2021-11-21 06:38:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:38:31,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:31,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 118 states and 217 transitions. [2021-11-21 06:38:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2021-11-21 06:38:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:38:40,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:40,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:54,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:54,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 126 states and 240 transitions. [2021-11-21 06:38:54,931 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 240 transitions. [2021-11-21 06:38:54,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:38:54,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:54,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:39:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 249 transitions. [2021-11-21 06:39:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 249 transitions. [2021-11-21 06:39:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:02,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:02,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:02,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:39:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:04,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 120 states and 230 transitions. [2021-11-21 06:39:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 230 transitions. [2021-11-21 06:39:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:04,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:04,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:04,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:39:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:08,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 122 states and 233 transitions. [2021-11-21 06:39:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 233 transitions. [2021-11-21 06:39:08,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:08,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:08,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:39:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 124 states and 237 transitions. [2021-11-21 06:39:13,475 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 237 transitions. [2021-11-21 06:39:13,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:13,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:13,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:39:18,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 126 states and 241 transitions. [2021-11-21 06:39:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 241 transitions. [2021-11-21 06:39:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:18,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:18,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:39:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 127 states and 244 transitions. [2021-11-21 06:39:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 244 transitions. [2021-11-21 06:39:19,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:19,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:19,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:19,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:39:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 128 states and 247 transitions. [2021-11-21 06:39:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 247 transitions. [2021-11-21 06:39:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:21,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:21,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:39:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 126 states and 240 transitions. [2021-11-21 06:39:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 240 transitions. [2021-11-21 06:39:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:27,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:27,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:39:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 127 states and 239 transitions. [2021-11-21 06:39:31,366 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 239 transitions. [2021-11-21 06:39:31,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:31,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:31,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:39:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 127 states and 237 transitions. [2021-11-21 06:39:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 237 transitions. [2021-11-21 06:39:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:33,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:33,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:39:40,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:40,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 132 states and 249 transitions. [2021-11-21 06:39:40,914 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 249 transitions. [2021-11-21 06:39:40,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:39:40,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:40,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:40,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:39:49,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:49,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 255 transitions. [2021-11-21 06:39:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 255 transitions. [2021-11-21 06:39:49,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:39:49,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:49,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:39:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 257 transitions. [2021-11-21 06:39:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 257 transitions. [2021-11-21 06:39:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:39:57,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:57,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:40:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 141 states and 259 transitions. [2021-11-21 06:40:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 259 transitions. [2021-11-21 06:40:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:40:01,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:01,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:04,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:40:23,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 149 states and 277 transitions. [2021-11-21 06:40:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 277 transitions. [2021-11-21 06:40:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:40:23,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:23,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:40:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:25,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 150 states and 280 transitions. [2021-11-21 06:40:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 280 transitions. [2021-11-21 06:40:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:40:25,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:25,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:25,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:40:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 146 states and 267 transitions. [2021-11-21 06:40:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 267 transitions. [2021-11-21 06:40:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:40:27,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:27,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:40:36,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:36,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 151 states and 273 transitions. [2021-11-21 06:40:36,658 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 273 transitions. [2021-11-21 06:40:36,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:40:36,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:36,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:40:47,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 156 states and 280 transitions. [2021-11-21 06:40:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 280 transitions. [2021-11-21 06:40:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:40:47,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:47,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:24,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 168 states and 311 transitions. [2021-11-21 06:41:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 311 transitions. [2021-11-21 06:41:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:41:24,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:24,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:41:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:28,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 170 states and 313 transitions. [2021-11-21 06:41:28,635 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 313 transitions. [2021-11-21 06:41:28,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:41:28,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:28,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 174 states and 318 transitions. [2021-11-21 06:41:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 318 transitions. [2021-11-21 06:41:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:41:43,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:43,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:44,675 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:42:01,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 180 states and 330 transitions. [2021-11-21 06:42:01,787 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 330 transitions. [2021-11-21 06:42:01,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:42:01,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:01,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:42:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 182 states and 332 transitions. [2021-11-21 06:42:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 332 transitions. [2021-11-21 06:42:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:42:06,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:06,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:06,494 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 06:42:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 182 states and 330 transitions. [2021-11-21 06:42:08,925 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 330 transitions. [2021-11-21 06:42:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:42:08,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:08,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:42:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 190 states and 356 transitions. [2021-11-21 06:42:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 356 transitions. [2021-11-21 06:42:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:42:42,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:42,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:44,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:42:56,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:56,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 194 states and 364 transitions. [2021-11-21 06:42:56,333 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 364 transitions. [2021-11-21 06:42:56,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:42:56,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:56,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:43:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 198 states and 370 transitions. [2021-11-21 06:43:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 370 transitions. [2021-11-21 06:43:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:43:05,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:05,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:43:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 202 states and 375 transitions. [2021-11-21 06:43:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 375 transitions. [2021-11-21 06:43:14,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:43:14,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:14,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:43:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 204 states and 381 transitions. [2021-11-21 06:43:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 381 transitions. [2021-11-21 06:43:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:43:27,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:27,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:43:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 205 states and 386 transitions. [2021-11-21 06:43:29,956 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 386 transitions. [2021-11-21 06:43:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:43:29,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:29,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:31,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:44:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:44:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 214 states and 410 transitions. [2021-11-21 06:44:01,760 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 410 transitions. [2021-11-21 06:44:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:44:01,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:44:01,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:44:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:44:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:44:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:44:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 213 states and 407 transitions. [2021-11-21 06:44:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 407 transitions. [2021-11-21 06:44:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:44:08,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:44:08,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:44:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:44:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:44:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:44:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 217 states and 423 transitions. [2021-11-21 06:44:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 423 transitions. [2021-11-21 06:44:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:44:40,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:44:40,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:44:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:44:45,163 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:45:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:16,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 225 states and 441 transitions. [2021-11-21 06:45:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 441 transitions. [2021-11-21 06:45:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:45:16,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:16,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:45:16,955 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:45:21,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:21,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 226 states and 445 transitions. [2021-11-21 06:45:21,207 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 445 transitions. [2021-11-21 06:45:21,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:45:21,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:21,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:45:21,271 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:45:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:25,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 226 states and 444 transitions. [2021-11-21 06:45:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 444 transitions. [2021-11-21 06:45:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:45:25,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:25,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:45:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 06:45:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 230 states and 449 transitions. [2021-11-21 06:45:39,177 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 449 transitions. [2021-11-21 06:45:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:45:39,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:39,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:45:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:45:54,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:54,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 234 states and 454 transitions. [2021-11-21 06:45:54,473 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 454 transitions. [2021-11-21 06:45:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:45:54,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:54,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:45:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:46:06,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:46:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 237 states and 463 transitions. [2021-11-21 06:46:06,095 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 463 transitions. [2021-11-21 06:46:06,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:46:06,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:46:06,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:46:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:46:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:46:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:46:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 242 states and 471 transitions. [2021-11-21 06:46:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 471 transitions. [2021-11-21 06:46:25,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:46:25,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:46:25,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:46:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:46:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:47:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:47:12,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 246 states and 476 transitions. [2021-11-21 06:47:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 476 transitions. [2021-11-21 06:47:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:47:12,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:47:12,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:47:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:47:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:47:16,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:47:16,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 246 states and 475 transitions. [2021-11-21 06:47:16,954 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 475 transitions. [2021-11-21 06:47:16,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:47:16,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:47:16,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:47:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:47:16,977 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:47:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:47:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 249 states and 479 transitions. [2021-11-21 06:47:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 479 transitions. [2021-11-21 06:47:26,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:47:26,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:47:26,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:47:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:47:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:47:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:47:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 253 states and 484 transitions. [2021-11-21 06:47:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 484 transitions. [2021-11-21 06:47:44,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:47:44,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:47:44,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:47:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:47:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:48:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:48:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 256 states and 487 transitions. [2021-11-21 06:48:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 487 transitions. [2021-11-21 06:48:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:48:01,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:48:01,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:48:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:48:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:48:05,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:48:05,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 257 states and 496 transitions. [2021-11-21 06:48:05,647 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 496 transitions. [2021-11-21 06:48:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:48:05,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:48:05,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:48:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:48:05,705 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.