./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-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_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/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_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/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_ad600da0-4130-4306-941f-12b457f08afb/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 71fe950642bac282d48da6f500677ae534e71a907f9a56d9941372cc95f40daa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:44:21,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:44:21,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:44:22,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:44:22,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:44:22,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:44:22,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:44:22,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:44:22,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:44:22,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:44:22,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:44:22,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:44:22,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:44:22,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:44:22,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:44:22,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:44:22,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:44:22,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:44:22,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:44:22,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:44:22,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:44:22,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:44:22,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:44:22,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:44:22,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:44:22,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:44:22,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:44:22,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:44:22,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:44:22,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:44:22,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:44:22,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:44:22,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:44:22,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:44:22,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:44:22,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:44:22,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:44:22,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:44:22,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:44:22,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:44:22,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:44:22,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:44:22,126 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:44:22,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:44:22,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:44:22,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:44:22,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:44:22,132 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:44:22,132 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:44:22,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:44:22,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:44:22,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:44:22,140 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:44:22,141 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:44:22,141 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:44:22,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:44:22,142 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:44:22,142 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:44:22,142 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:44:22,142 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:44:22,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:44:22,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:22,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:44:22,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:44:22,144 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:44:22,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:44:22,144 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_ad600da0-4130-4306-941f-12b457f08afb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71fe950642bac282d48da6f500677ae534e71a907f9a56d9941372cc95f40daa [2021-11-23 01:44:22,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:44:22,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:44:22,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:44:22,483 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:44:22,484 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:44:22,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i [2021-11-23 01:44:22,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/data/a5c9bf03e/ad901df150a94436ba0e732751689648/FLAGa5a544f00 [2021-11-23 01:44:23,098 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:44:23,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i [2021-11-23 01:44:23,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/data/a5c9bf03e/ad901df150a94436ba0e732751689648/FLAGa5a544f00 [2021-11-23 01:44:23,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/data/a5c9bf03e/ad901df150a94436ba0e732751689648 [2021-11-23 01:44:23,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:44:23,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:44:23,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:23,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:44:23,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:44:23,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:23,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16509fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23, skipping insertion in model container [2021-11-23 01:44:23,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:23,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:44:23,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:44:23,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i[24175,24188] [2021-11-23 01:44:23,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:23,834 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:44:23,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i[24175,24188] [2021-11-23 01:44:23,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:23,933 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:44:23,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23 WrapperNode [2021-11-23 01:44:23,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:23,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:23,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:44:23,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:44:23,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:23,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:24,008 INFO L137 Inliner]: procedures = 122, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2021-11-23 01:44:24,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:24,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:44:24,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:44:24,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:44:24,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:24,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:24,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:24,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:24,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:24,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:24,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:24,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:44:24,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:44:24,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:44:24,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:44:24,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:23" (1/1) ... [2021-11-23 01:44:24,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:24,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:44:24,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:44:24,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad600da0-4130-4306-941f-12b457f08afb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:44:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:44:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:44:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:44:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:44:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:44:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:44:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:44:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:44:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:44:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:44:24,235 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:44:24,237 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:44:24,594 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:44:24,626 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:44:24,627 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:44:24,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:24 BoogieIcfgContainer [2021-11-23 01:44:24,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:44:24,631 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:44:24,631 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:44:24,645 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:44:24,645 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:24" (1/1) ... [2021-11-23 01:44:24,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:44:24,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-11-23 01:44:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-11-23 01:44:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:44:24,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,953 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 01:44:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-11-23 01:44:25,008 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-11-23 01:44:25,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:44:25,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,100 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 01:44:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2021-11-23 01:44:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-11-23 01:44:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:44:25,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,255 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 01:44:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-11-23 01:44:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-11-23 01:44:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:44:25,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,334 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 01:44:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-11-23 01:44:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-11-23 01:44:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:44:25,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,404 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 01:44:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2021-11-23 01:44:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2021-11-23 01:44:25,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:44:25,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,503 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 01:44:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2021-11-23 01:44:25,611 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2021-11-23 01:44:25,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:44:25,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,677 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 01:44:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2021-11-23 01:44:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2021-11-23 01:44:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:44:25,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,995 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 01:44:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 58 states and 67 transitions. [2021-11-23 01:44:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2021-11-23 01:44:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:44:26,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,122 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 01:44:26,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2021-11-23 01:44:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2021-11-23 01:44:26,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:44:26,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,324 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 01:44:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2021-11-23 01:44:26,352 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2021-11-23 01:44:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:44:26,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,448 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 01:44:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2021-11-23 01:44:26,638 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-11-23 01:44:26,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:44:26,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,769 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 01:44:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 60 states and 73 transitions. [2021-11-23 01:44:27,255 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2021-11-23 01:44:27,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:44:27,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,369 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 01:44:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 65 states and 85 transitions. [2021-11-23 01:44:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2021-11-23 01:44:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:44:28,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:28,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:28,224 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 01:44:29,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2021-11-23 01:44:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-11-23 01:44:29,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:44:29,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:29,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:29,230 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 01:44:30,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:30,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 114 transitions. [2021-11-23 01:44:30,000 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2021-11-23 01:44:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:44:30,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:30,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 78 states and 118 transitions. [2021-11-23 01:44:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 118 transitions. [2021-11-23 01:44:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:44:30,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:30,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 78 states and 117 transitions. [2021-11-23 01:44:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 117 transitions. [2021-11-23 01:44:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:44:30,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:30,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 79 states and 120 transitions. [2021-11-23 01:44:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2021-11-23 01:44:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:44:31,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:31,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:31,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 80 states and 122 transitions. [2021-11-23 01:44:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 122 transitions. [2021-11-23 01:44:31,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:44:31,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:31,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 85 states and 133 transitions. [2021-11-23 01:44:32,277 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2021-11-23 01:44:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:44:32,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:32,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:33,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:33,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2021-11-23 01:44:33,234 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2021-11-23 01:44:33,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:33,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:33,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 141 transitions. [2021-11-23 01:44:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2021-11-23 01:44:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:33,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:33,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:34,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:34,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 91 states and 144 transitions. [2021-11-23 01:44:34,234 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2021-11-23 01:44:34,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:34,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:34,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:34,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 143 transitions. [2021-11-23 01:44:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2021-11-23 01:44:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:34,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:34,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:35,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 92 states and 145 transitions. [2021-11-23 01:44:35,034 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 145 transitions. [2021-11-23 01:44:35,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:35,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:35,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:35,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2021-11-23 01:44:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2021-11-23 01:44:35,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:35,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:35,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 94 states and 156 transitions. [2021-11-23 01:44:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 156 transitions. [2021-11-23 01:44:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:44:35,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:35,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:36,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:36,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 99 states and 162 transitions. [2021-11-23 01:44:36,641 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 162 transitions. [2021-11-23 01:44:36,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:44:36,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:36,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:37,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:37,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 104 states and 168 transitions. [2021-11-23 01:44:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2021-11-23 01:44:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:44:37,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:37,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:44:38,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 171 transitions. [2021-11-23 01:44:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 171 transitions. [2021-11-23 01:44:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:44:38,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:38,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:44:38,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 106 states and 173 transitions. [2021-11-23 01:44:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 173 transitions. [2021-11-23 01:44:38,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:44:38,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:38,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:44:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2021-11-23 01:44:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2021-11-23 01:44:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:44:39,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:39,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:44:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:40,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2021-11-23 01:44:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2021-11-23 01:44:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:44:40,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:40,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:44:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 107 states and 139 transitions. [2021-11-23 01:44:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 139 transitions. [2021-11-23 01:44:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:44:44,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:44,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:44:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:45,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2021-11-23 01:44:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2021-11-23 01:44:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:44:45,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:45,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:44:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 91 states and 112 transitions. [2021-11-23 01:44:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 112 transitions. [2021-11-23 01:44:46,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:44:46,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:46,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:44:47,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:47,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 92 states and 114 transitions. [2021-11-23 01:44:47,105 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2021-11-23 01:44:47,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:44:47,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:47,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:44:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 93 states and 115 transitions. [2021-11-23 01:44:47,395 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2021-11-23 01:44:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:44:47,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:47,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:44:48,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:48,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 94 states and 118 transitions. [2021-11-23 01:44:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 118 transitions. [2021-11-23 01:44:48,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:44:48,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:48,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:44:48,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:48,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 93 states and 117 transitions. [2021-11-23 01:44:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 117 transitions. [2021-11-23 01:44:48,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:44:48,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:48,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:44:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:49,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 95 states and 121 transitions. [2021-11-23 01:44:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2021-11-23 01:44:49,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:44:49,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:49,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2021-11-23 01:44:51,080 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2021-11-23 01:44:51,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:44:51,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:51,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:45:01,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 69 states and 83 transitions. [2021-11-23 01:45:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 83 transitions. [2021-11-23 01:45:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:45:01,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:45:01,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 68 states and 82 transitions. [2021-11-23 01:45:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2021-11-23 01:45:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:45:01,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,353 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:45:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 71 states and 85 transitions. [2021-11-23 01:45:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 85 transitions. [2021-11-23 01:45:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:45:02,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:02,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,614 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:12,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:12,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2021-11-23 01:45:12,362 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2021-11-23 01:45:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:45:12,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:12,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2021-11-23 01:45:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2021-11-23 01:45:24,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:45:24,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:24,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:25,319 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:45:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 86 states and 111 transitions. [2021-11-23 01:45:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2021-11-23 01:45:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:45:28,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:45:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 91 states and 118 transitions. [2021-11-23 01:45:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-11-23 01:45:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:45:33,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 96 states and 128 transitions. [2021-11-23 01:45:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 128 transitions. [2021-11-23 01:45:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:45:42,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:42,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:08,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 101 states and 139 transitions. [2021-11-23 01:46:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 139 transitions. [2021-11-23 01:46:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:46:08,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:37,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 106 states and 150 transitions. [2021-11-23 01:46:37,758 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 150 transitions. [2021-11-23 01:46:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:46:37,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:37,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:45,144 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:21,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 116 states and 167 transitions. [2021-11-23 01:47:21,368 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2021-11-23 01:47:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:47:21,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:21,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:12,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 121 states and 179 transitions. [2021-11-23 01:48:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 179 transitions. [2021-11-23 01:48:12,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:48:12,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:12,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:21,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:21,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 125 states and 183 transitions. [2021-11-23 01:48:21,567 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2021-11-23 01:48:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:48:21,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:21,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 129 states and 187 transitions. [2021-11-23 01:48:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2021-11-23 01:48:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:48:30,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:30,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:55,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 139 states and 210 transitions. [2021-11-23 01:49:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 210 transitions. [2021-11-23 01:49:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:49:55,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:55,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 149 states and 232 transitions. [2021-11-23 01:51:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 232 transitions. [2021-11-23 01:51:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:51:19,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:19,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 153 states and 236 transitions. [2021-11-23 01:51:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 236 transitions. [2021-11-23 01:51:32,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:51:32,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:32,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:43,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:43,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 157 states and 240 transitions. [2021-11-23 01:51:43,318 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 240 transitions. [2021-11-23 01:51:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:51:43,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:43,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:51:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 159 states and 244 transitions. [2021-11-23 01:51:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 244 transitions. [2021-11-23 01:51:48,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:51:48,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:48,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:01,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:01,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 163 states and 248 transitions. [2021-11-23 01:52:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 248 transitions. [2021-11-23 01:52:01,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:52:01,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:01,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 167 states and 252 transitions. [2021-11-23 01:52:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 252 transitions. [2021-11-23 01:52:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:52:12,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:12,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:53:10,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 185 states and 288 transitions. [2021-11-23 01:53:10,073 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 288 transitions. [2021-11-23 01:53:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:53:10,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:10,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:54:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 199 states and 320 transitions. [2021-11-23 01:54:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 320 transitions. [2021-11-23 01:54:09,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:54:09,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:09,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 201 states and 326 transitions. [2021-11-23 01:56:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 326 transitions. [2021-11-23 01:56:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:56:18,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:18,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.