./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/rec_strlen-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/rec_strlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60396cce4fa0936fb91e88a54a287214045469c9d9b3d447954681e0a5aabbc0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:45:47,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:45:47,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:45:47,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:45:47,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:45:47,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:45:47,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:45:47,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:45:47,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:45:47,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:45:47,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:45:47,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:45:47,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:45:47,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:45:47,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:45:47,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:45:47,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:45:47,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:45:48,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:45:48,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:45:48,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:45:48,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:45:48,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:45:48,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:45:48,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:45:48,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:45:48,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:45:48,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:45:48,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:45:48,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:45:48,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:45:48,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:45:48,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:45:48,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:45:48,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:45:48,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:45:48,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:45:48,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:45:48,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:45:48,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:45:48,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:45:48,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:45:48,082 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:45:48,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:45:48,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:45:48,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:45:48,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:45:48,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:45:48,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:45:48,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:45:48,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:45:48,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:45:48,088 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:45:48,088 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:45:48,088 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:45:48,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:45:48,089 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:45:48,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:45:48,089 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:45:48,090 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:45:48,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:45:48,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:45:48,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:45:48,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:45:48,091 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:45:48,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:45:48,092 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_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60396cce4fa0936fb91e88a54a287214045469c9d9b3d447954681e0a5aabbc0 [2021-11-23 01:45:48,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:45:48,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:45:48,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:45:48,506 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:45:48,507 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:45:48,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/rec_strlen-alloca-1.i [2021-11-23 01:45:48,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/data/ae40af419/f3cbdf29e3254063ad58c7f43fa7ec51/FLAG67f473319 [2021-11-23 01:45:49,159 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:45:49,159 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/sv-benchmarks/c/array-memsafety/rec_strlen-alloca-1.i [2021-11-23 01:45:49,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/data/ae40af419/f3cbdf29e3254063ad58c7f43fa7ec51/FLAG67f473319 [2021-11-23 01:45:49,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/data/ae40af419/f3cbdf29e3254063ad58c7f43fa7ec51 [2021-11-23 01:45:49,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:45:49,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:45:49,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:45:49,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:45:49,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:45:49,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:49,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cb6a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49, skipping insertion in model container [2021-11-23 01:45:49,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:49,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:45:49,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:45:49,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:45:49,848 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:45:49,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:45:49,980 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:45:49,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49 WrapperNode [2021-11-23 01:45:49,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:45:49,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:45:49,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:45:49,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:45:49,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:50,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:50,049 INFO L137 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2021-11-23 01:45:50,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:45:50,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:45:50,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:45:50,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:45:50,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:50,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:50,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:50,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:50,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:50,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:50,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:50,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:45:50,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:45:50,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:45:50,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:45:50,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:49" (1/1) ... [2021-11-23 01:45:50,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:45:50,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:45:50,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:45:50,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74de7636-1d82-4755-9488-3740f1947150/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:45:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:45:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:45:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:45:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:45:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure strlen_rec [2021-11-23 01:45:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen_rec [2021-11-23 01:45:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:45:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:45:50,307 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:45:50,309 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:45:50,533 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:45:50,565 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:45:50,565 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:45:50,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:50 BoogieIcfgContainer [2021-11-23 01:45:50,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:45:50,569 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:45:50,569 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:45:50,591 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:45:50,591 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:50" (1/1) ... [2021-11-23 01:45:50,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:45:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2021-11-23 01:45:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-11-23 01:45:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:45:50,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:50,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:50,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2021-11-23 01:45:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2021-11-23 01:45:50,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:45:50,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:50,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2021-11-23 01:45:51,357 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-23 01:45:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:45:51,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:51,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2021-11-23 01:45:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-23 01:45:51,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:45:51,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:51,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-11-23 01:45:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-11-23 01:45:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:45:51,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:51,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:52,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-11-23 01:45:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-23 01:45:52,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:45:52,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:52,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:52,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2021-11-23 01:45:52,919 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-11-23 01:45:52,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:45:52,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:52,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 42 transitions. [2021-11-23 01:45:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2021-11-23 01:45:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:45:53,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:53,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 49 transitions. [2021-11-23 01:45:54,067 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2021-11-23 01:45:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:45:54,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:54,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:54,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 38 transitions. [2021-11-23 01:45:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2021-11-23 01:45:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:45:54,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:54,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 31 transitions. [2021-11-23 01:45:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-23 01:45:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:45:54,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:54,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:55,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 33 transitions. [2021-11-23 01:45:55,644 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-11-23 01:45:55,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:45:55,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:55,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:55,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:55,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:55,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 29 transitions. [2021-11-23 01:45:55,683 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-11-23 01:45:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:45:55,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:55,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:57,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 36 transitions. [2021-11-23 01:45:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-11-23 01:45:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:45:57,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:57,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 31 transitions. [2021-11-23 01:45:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-23 01:45:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:45:58,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:58,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:59,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:01,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 39 transitions. [2021-11-23 01:46:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2021-11-23 01:46:01,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:46:01,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:01,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 44 transitions. [2021-11-23 01:46:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2021-11-23 01:46:02,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:46:02,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:02,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:46:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 48 transitions. [2021-11-23 01:46:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-11-23 01:46:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:46:03,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:03,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 63 transitions. [2021-11-23 01:46:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2021-11-23 01:46:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:46:08,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:46:08,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 55 transitions. [2021-11-23 01:46:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-23 01:46:08,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:46:08,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 62 transitions. [2021-11-23 01:46:13,214 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2021-11-23 01:46:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:46:13,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:13,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:23,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:23,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 85 transitions. [2021-11-23 01:46:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2021-11-23 01:46:23,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:46:23,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:23,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:46:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 84 transitions. [2021-11-23 01:46:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2021-11-23 01:46:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:46:24,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:24,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:32,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:32,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 91 transitions. [2021-11-23 01:46:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 91 transitions. [2021-11-23 01:46:32,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:32,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:32,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:34,018 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 99 transitions. [2021-11-23 01:46:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2021-11-23 01:46:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:46:38,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:38,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:46:39,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 98 transitions. [2021-11-23 01:46:39,458 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2021-11-23 01:46:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:46:39,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:39,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 76 states and 123 transitions. [2021-11-23 01:46:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2021-11-23 01:46:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:46:52,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:52,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:52,812 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 81 states and 133 transitions. [2021-11-23 01:46:57,005 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2021-11-23 01:46:57,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:46:57,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:57,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:00,170 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:09,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:09,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 85 states and 142 transitions. [2021-11-23 01:47:09,210 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 142 transitions. [2021-11-23 01:47:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:47:09,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:09,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 89 states and 147 transitions. [2021-11-23 01:47:13,917 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2021-11-23 01:47:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:47:13,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:13,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:16,042 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 42 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 94 states and 154 transitions. [2021-11-23 01:47:21,909 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 154 transitions. [2021-11-23 01:47:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:47:21,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:21,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 42 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 99 states and 162 transitions. [2021-11-23 01:47:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 162 transitions. [2021-11-23 01:47:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:47:27,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:28,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 99 states and 161 transitions. [2021-11-23 01:47:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2021-11-23 01:47:28,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:47:28,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:47:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 99 states and 160 transitions. [2021-11-23 01:47:29,652 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 160 transitions. [2021-11-23 01:47:29,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:47:29,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:47:30,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 99 states and 159 transitions. [2021-11-23 01:47:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2021-11-23 01:47:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:47:30,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:50,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:50,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 111 states and 188 transitions. [2021-11-23 01:47:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 188 transitions. [2021-11-23 01:47:50,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:47:50,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:50,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:56,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 116 states and 197 transitions. [2021-11-23 01:47:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2021-11-23 01:47:56,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:47:56,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:56,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:57,214 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:02,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 121 states and 206 transitions. [2021-11-23 01:48:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 206 transitions. [2021-11-23 01:48:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:48:02,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:02,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 126 states and 215 transitions. [2021-11-23 01:48:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 215 transitions. [2021-11-23 01:48:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:48:09,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:09,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:48:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 123 states and 212 transitions. [2021-11-23 01:48:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 212 transitions. [2021-11-23 01:48:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:48:10,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:10,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:29,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:29,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 127 states and 216 transitions. [2021-11-23 01:48:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2021-11-23 01:48:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:48:29,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:29,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:29,564 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:36,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 131 states and 221 transitions. [2021-11-23 01:48:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2021-11-23 01:48:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:48:36,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:36,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:36,298 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:43,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 135 states and 226 transitions. [2021-11-23 01:48:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 226 transitions. [2021-11-23 01:48:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:48:43,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:43,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 139 states and 240 transitions. [2021-11-23 01:48:51,434 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 240 transitions. [2021-11-23 01:48:51,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:48:51,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:51,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:54,782 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 144 states and 247 transitions. [2021-11-23 01:49:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 247 transitions. [2021-11-23 01:49:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:49:03,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:03,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 149 states and 254 transitions. [2021-11-23 01:49:12,013 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 254 transitions. [2021-11-23 01:49:12,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:49:12,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:12,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 154 states and 261 transitions. [2021-11-23 01:49:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 261 transitions. [2021-11-23 01:49:20,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:49:20,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:20,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:22,247 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:29,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 159 states and 268 transitions. [2021-11-23 01:49:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 268 transitions. [2021-11-23 01:49:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:49:29,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:29,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:34,600 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 171 states and 304 transitions. [2021-11-23 01:49:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 304 transitions. [2021-11-23 01:49:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:49:57,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:57,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 176 states and 313 transitions. [2021-11-23 01:50:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 313 transitions. [2021-11-23 01:50:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:50:06,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:06,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:16,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:16,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 181 states and 322 transitions. [2021-11-23 01:50:16,208 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 322 transitions. [2021-11-23 01:50:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:50:16,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:16,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 186 states and 331 transitions. [2021-11-23 01:50:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 331 transitions. [2021-11-23 01:50:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:50:25,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:25,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:35,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:35,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 191 states and 340 transitions. [2021-11-23 01:50:35,625 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 340 transitions. [2021-11-23 01:50:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:50:35,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:35,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:46,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 196 states and 350 transitions. [2021-11-23 01:50:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 350 transitions. [2021-11-23 01:50:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:50:46,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:46,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:56,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 201 states and 359 transitions. [2021-11-23 01:50:56,363 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 359 transitions. [2021-11-23 01:50:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:50:56,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:56,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:06,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 206 states and 368 transitions. [2021-11-23 01:51:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 368 transitions. [2021-11-23 01:51:06,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:51:06,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:06,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:16,424 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 210 states and 372 transitions. [2021-11-23 01:51:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 372 transitions. [2021-11-23 01:51:37,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:51:37,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:37,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:48,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 214 states and 377 transitions. [2021-11-23 01:51:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 377 transitions. [2021-11-23 01:51:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:51:48,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:48,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:58,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 218 states and 382 transitions. [2021-11-23 01:51:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 382 transitions. [2021-11-23 01:51:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:51:58,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:58,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 222 states and 387 transitions. [2021-11-23 01:52:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 387 transitions. [2021-11-23 01:52:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:52:09,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:09,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 226 states and 409 transitions. [2021-11-23 01:52:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 409 transitions. [2021-11-23 01:52:21,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:52:21,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:21,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:21,647 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 230 states and 414 transitions. [2021-11-23 01:52:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 414 transitions. [2021-11-23 01:52:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:52:32,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:32,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 234 states and 419 transitions. [2021-11-23 01:52:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 419 transitions. [2021-11-23 01:52:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:52:44,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:44,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:55,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:55,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 238 states and 424 transitions. [2021-11-23 01:52:55,638 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 424 transitions. [2021-11-23 01:52:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:52:55,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:55,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 86 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 243 states and 431 transitions. [2021-11-23 01:53:15,086 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 431 transitions. [2021-11-23 01:53:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:53:15,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:15,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 86 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 248 states and 438 transitions. [2021-11-23 01:53:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 438 transitions. [2021-11-23 01:53:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:53:28,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:28,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:30,838 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 86 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:42,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 253 states and 445 transitions. [2021-11-23 01:53:42,383 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 445 transitions. [2021-11-23 01:53:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:53:42,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:42,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:44,683 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 86 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:56,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 258 states and 452 transitions. [2021-11-23 01:53:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 452 transitions. [2021-11-23 01:53:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:53:56,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:56,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 86 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:10,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 263 states and 459 transitions. [2021-11-23 01:54:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 459 transitions. [2021-11-23 01:54:10,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:54:10,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:10,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 86 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 268 states and 466 transitions. [2021-11-23 01:54:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 466 transitions. [2021-11-23 01:54:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:54:24,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:24,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:27,187 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 86 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 273 states and 473 transitions. [2021-11-23 01:54:39,338 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 473 transitions. [2021-11-23 01:54:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:54:39,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:39,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 86 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 278 states and 480 transitions. [2021-11-23 01:54:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 480 transitions. [2021-11-23 01:54:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:54:54,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:54,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:02,402 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 20 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 290 states and 532 transitions. [2021-11-23 01:55:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 532 transitions. [2021-11-23 01:55:42,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:55:42,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:42,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 20 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:57,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 295 states and 541 transitions. [2021-11-23 01:55:57,144 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 541 transitions. [2021-11-23 01:55:57,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:55:57,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:57,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 20 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:13,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 300 states and 550 transitions. [2021-11-23 01:56:13,189 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 550 transitions. [2021-11-23 01:56:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:56:13,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:13,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:15,020 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 20 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:29,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 305 states and 559 transitions. [2021-11-23 01:56:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 559 transitions. [2021-11-23 01:56:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:56:29,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:29,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 20 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 310 states and 568 transitions. [2021-11-23 01:56:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 568 transitions. [2021-11-23 01:56:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:56:44,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:44,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 20 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 315 states and 577 transitions. [2021-11-23 01:57:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 577 transitions. [2021-11-23 01:57:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:57:00,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:00,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 20 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 320 states and 586 transitions. [2021-11-23 01:57:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 586 transitions. [2021-11-23 01:57:16,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:57:16,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:16,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 20 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:32,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 325 states and 595 transitions. [2021-11-23 01:57:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 595 transitions. [2021-11-23 01:57:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:57:33,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:33,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat