./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:34:01,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:34:01,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:34:01,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:34:01,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:34:01,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:34:01,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:34:01,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:34:01,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:34:01,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:34:01,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:34:01,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:34:01,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:34:01,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:34:01,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:34:01,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:34:01,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:34:01,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:34:01,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:34:01,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:34:01,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:34:01,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:34:01,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:34:01,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:34:01,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:34:01,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:34:01,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:34:01,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:34:01,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:34:01,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:34:01,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:34:01,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:34:01,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:34:01,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:34:01,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:34:01,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:34:01,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:34:01,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:34:01,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:34:01,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:34:01,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:34:01,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 22:34:02,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:34:02,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:34:02,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:34:02,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:34:02,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:34:02,012 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:34:02,012 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:34:02,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:34:02,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:34:02,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:34:02,013 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 22:34:02,014 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 22:34:02,014 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 22:34:02,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:34:02,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:34:02,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:34:02,015 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:34:02,015 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:34:02,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:34:02,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:34:02,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:34:02,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:34:02,017 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:34:02,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:34:02,017 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_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 [2021-11-13 22:34:02,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:34:02,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:34:02,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:34:02,295 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:34:02,296 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:34:02,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2021-11-13 22:34:02,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/data/fb395016d/39869546f2d44f048fdaad0e0df1ebf6/FLAG0ebe24b74 [2021-11-13 22:34:02,903 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:34:02,904 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2021-11-13 22:34:02,922 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/data/fb395016d/39869546f2d44f048fdaad0e0df1ebf6/FLAG0ebe24b74 [2021-11-13 22:34:03,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/data/fb395016d/39869546f2d44f048fdaad0e0df1ebf6 [2021-11-13 22:34:03,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:34:03,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:34:03,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:34:03,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:34:03,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:34:03,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:03,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d96a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03, skipping insertion in model container [2021-11-13 22:34:03,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:03,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:34:03,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:34:03,749 WARN L228 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_036005b5-52fe-4a76-809b-76eaf3dc05c8/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2021-11-13 22:34:03,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:34:03,772 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:34:03,843 WARN L228 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_036005b5-52fe-4a76-809b-76eaf3dc05c8/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2021-11-13 22:34:03,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:34:03,877 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:34:03,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03 WrapperNode [2021-11-13 22:34:03,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:34:03,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:34:03,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:34:03,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:34:03,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:03,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:03,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:34:03,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:34:03,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:34:03,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:34:03,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:03,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:03,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:03,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:03,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:03,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:04,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:04,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:34:04,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:34:04,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:34:04,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:34:04,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:03" (1/1) ... [2021-11-13 22:34:04,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:34:04,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:34:04,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:34:04,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036005b5-52fe-4a76-809b-76eaf3dc05c8/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:34:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:34:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 22:34:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 22:34:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:34:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 22:34:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:34:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 22:34:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:34:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:34:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:34:04,753 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:34:04,753 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 22:34:04,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:34:04 BoogieIcfgContainer [2021-11-13 22:34:04,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:34:04,757 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:34:04,757 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:34:04,768 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:34:04,768 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:34:04" (1/1) ... [2021-11-13 22:34:04,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:34:04,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2021-11-13 22:34:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2021-11-13 22:34:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:34:04,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:04,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:04,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:05,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2021-11-13 22:34:05,033 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2021-11-13 22:34:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:34:05,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:05,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2021-11-13 22:34:05,335 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2021-11-13 22:34:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:34:05,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:05,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:05,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2021-11-13 22:34:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2021-11-13 22:34:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:34:05,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:05,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2021-11-13 22:34:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2021-11-13 22:34:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:34:05,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:05,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:05,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:05,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 83 states and 93 transitions. [2021-11-13 22:34:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2021-11-13 22:34:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:34:05,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:05,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:05,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2021-11-13 22:34:05,853 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2021-11-13 22:34:05,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:34:05,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:05,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2021-11-13 22:34:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2021-11-13 22:34:05,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:34:05,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:05,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2021-11-13 22:34:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-11-13 22:34:06,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:34:06,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:06,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:06,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2021-11-13 22:34:06,085 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2021-11-13 22:34:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:34:06,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:06,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2021-11-13 22:34:06,195 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2021-11-13 22:34:06,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:34:06,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:06,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2021-11-13 22:34:06,409 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-11-13 22:34:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:34:06,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:06,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:07,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2021-11-13 22:34:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-11-13 22:34:07,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:34:07,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:07,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:08,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:08,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2021-11-13 22:34:08,171 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-13 22:34:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:08,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:08,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:08,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2021-11-13 22:34:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2021-11-13 22:34:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:10,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:10,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:13,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 86 states and 106 transitions. [2021-11-13 22:34:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 106 transitions. [2021-11-13 22:34:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:13,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:13,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 94 states and 121 transitions. [2021-11-13 22:34:16,681 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2021-11-13 22:34:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:34:16,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:16,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 97 states and 127 transitions. [2021-11-13 22:34:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 127 transitions. [2021-11-13 22:34:19,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:34:19,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:19,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 100 states and 134 transitions. [2021-11-13 22:34:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 134 transitions. [2021-11-13 22:34:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:34:22,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:22,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 102 states and 138 transitions. [2021-11-13 22:34:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 138 transitions. [2021-11-13 22:34:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:34:23,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:23,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:23,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 104 states and 143 transitions. [2021-11-13 22:34:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2021-11-13 22:34:25,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:25,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:25,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:25,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:25,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 103 states and 142 transitions. [2021-11-13 22:34:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 142 transitions. [2021-11-13 22:34:25,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:25,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:25,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:25,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 105 states and 145 transitions. [2021-11-13 22:34:25,180 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 145 transitions. [2021-11-13 22:34:25,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:25,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:25,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:25,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 106 states and 147 transitions. [2021-11-13 22:34:25,647 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 147 transitions. [2021-11-13 22:34:25,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:25,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:25,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:26,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:26,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 107 states and 148 transitions. [2021-11-13 22:34:26,942 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 148 transitions. [2021-11-13 22:34:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:34:26,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:26,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:28,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 111 states and 154 transitions. [2021-11-13 22:34:28,275 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2021-11-13 22:34:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:34:28,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:28,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 124 states and 182 transitions. [2021-11-13 22:34:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions. [2021-11-13 22:34:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:34:38,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:38,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 130 states and 195 transitions. [2021-11-13 22:34:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 195 transitions. [2021-11-13 22:34:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:34:44,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:44,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 105 states and 145 transitions. [2021-11-13 22:34:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 145 transitions. [2021-11-13 22:34:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:46,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:46,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 104 states and 144 transitions. [2021-11-13 22:34:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 144 transitions. [2021-11-13 22:34:46,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:46,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:46,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 106 states and 147 transitions. [2021-11-13 22:34:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 147 transitions. [2021-11-13 22:34:46,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:46,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:46,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:50,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:50,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 111 states and 156 transitions. [2021-11-13 22:34:50,324 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 156 transitions. [2021-11-13 22:34:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:50,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:50,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 110 states and 154 transitions. [2021-11-13 22:34:51,158 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 154 transitions. [2021-11-13 22:34:51,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:51,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:51,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 111 states and 154 transitions. [2021-11-13 22:34:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2021-11-13 22:34:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:34:51,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:51,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:52,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:57,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:57,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 117 states and 164 transitions. [2021-11-13 22:34:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 164 transitions. [2021-11-13 22:34:57,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:34:57,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:57,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:35:12,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 127 states and 182 transitions. [2021-11-13 22:35:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 182 transitions. [2021-11-13 22:35:12,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:35:12,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:12,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:35:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 130 states and 186 transitions. [2021-11-13 22:35:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2021-11-13 22:35:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:35:17,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:17,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:35:28,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 136 states and 201 transitions. [2021-11-13 22:35:28,412 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 201 transitions. [2021-11-13 22:35:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:35:28,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:28,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:35:45,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 145 states and 223 transitions. [2021-11-13 22:35:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 223 transitions. [2021-11-13 22:35:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:35:45,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:45,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:36:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 157 states and 242 transitions. [2021-11-13 22:36:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 242 transitions. [2021-11-13 22:36:11,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:36:11,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:11,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:36:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 161 states and 247 transitions. [2021-11-13 22:36:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 247 transitions. [2021-11-13 22:36:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:36:14,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:14,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:36:14,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 160 states and 246 transitions. [2021-11-13 22:36:14,943 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 246 transitions. [2021-11-13 22:36:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:36:14,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:14,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:14,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:36:15,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:15,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 161 states and 247 transitions. [2021-11-13 22:36:15,005 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 247 transitions. [2021-11-13 22:36:15,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:36:15,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:15,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:24,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 168 states and 258 transitions. [2021-11-13 22:36:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 258 transitions. [2021-11-13 22:36:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:36:24,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:24,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:24,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:37,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 175 states and 271 transitions. [2021-11-13 22:36:37,047 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 271 transitions. [2021-11-13 22:36:37,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:36:37,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:37,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:40,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:40,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 178 states and 278 transitions. [2021-11-13 22:36:40,700 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 278 transitions. [2021-11-13 22:36:40,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:36:40,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:40,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:44,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 181 states and 284 transitions. [2021-11-13 22:36:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 284 transitions. [2021-11-13 22:36:44,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:44,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:44,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:36:52,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 182 states and 286 transitions. [2021-11-13 22:36:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 286 transitions. [2021-11-13 22:36:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:36:52,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:52,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:52,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:37:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 194 states and 310 transitions. [2021-11-13 22:37:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 310 transitions. [2021-11-13 22:37:10,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:37:10,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:10,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:37:32,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 207 states and 346 transitions. [2021-11-13 22:37:32,502 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 346 transitions. [2021-11-13 22:37:32,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:37:32,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:32,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:37:56,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:56,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 220 states and 375 transitions. [2021-11-13 22:37:56,585 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 375 transitions. [2021-11-13 22:37:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:37:56,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:56,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:37:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 221 states and 377 transitions. [2021-11-13 22:37:58,061 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 377 transitions. [2021-11-13 22:37:58,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:37:58,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:58,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:38:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 229 states and 394 transitions. [2021-11-13 22:38:14,570 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 394 transitions. [2021-11-13 22:38:14,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:38:14,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:14,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:38:15,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 230 states and 396 transitions. [2021-11-13 22:38:15,985 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 396 transitions. [2021-11-13 22:38:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:38:15,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:15,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:21,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:21,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 232 states and 404 transitions. [2021-11-13 22:38:21,033 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 404 transitions. [2021-11-13 22:38:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:38:21,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:21,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:38:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:38,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 240 states and 419 transitions. [2021-11-13 22:38:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 419 transitions. [2021-11-13 22:38:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:38:38,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:38,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:38:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 243 states and 422 transitions. [2021-11-13 22:38:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 422 transitions. [2021-11-13 22:38:45,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:38:45,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:45,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:39:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 248 states and 428 transitions. [2021-11-13 22:39:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 428 transitions. [2021-11-13 22:39:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:39:08,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:08,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:40:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 264 states and 461 transitions. [2021-11-13 22:40:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 461 transitions. [2021-11-13 22:40:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:40:08,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:08,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:40:37,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 274 states and 483 transitions. [2021-11-13 22:40:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 483 transitions. [2021-11-13 22:40:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:40:37,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:37,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:39,631 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:41:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 282 states and 499 transitions. [2021-11-13 22:41:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 499 transitions. [2021-11-13 22:41:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:41:03,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:03,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:41:06,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:06,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 285 states and 504 transitions. [2021-11-13 22:41:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 504 transitions. [2021-11-13 22:41:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:41:06,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:06,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:42:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 303 states and 540 transitions. [2021-11-13 22:42:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 540 transitions. [2021-11-13 22:42:14,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:42:14,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:14,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:42:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 309 states and 552 transitions. [2021-11-13 22:42:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 552 transitions. [2021-11-13 22:42:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:25,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:25,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:42:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 316 states and 566 transitions. [2021-11-13 22:42:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 566 transitions. [2021-11-13 22:42:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:58,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:58,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:58,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 321 states and 576 transitions. [2021-11-13 22:43:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 576 transitions. [2021-11-13 22:43:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:43:09,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:09,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:43:47,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 335 states and 603 transitions. [2021-11-13 22:43:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 603 transitions. [2021-11-13 22:43:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:43:47,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:47,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:44:28,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:28,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 350 states and 636 transitions. [2021-11-13 22:44:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 636 transitions. [2021-11-13 22:44:28,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:44:28,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:28,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:28,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:45:08,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:08,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 364 states and 663 transitions. [2021-11-13 22:45:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 663 transitions. [2021-11-13 22:45:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:45:08,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:08,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:01,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:01,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 374 states and 687 transitions. [2021-11-13 22:46:01,233 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 687 transitions. [2021-11-13 22:46:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:46:01,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:01,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 375 states and 688 transitions. [2021-11-13 22:46:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 688 transitions. [2021-11-13 22:46:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:46:04,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:04,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat