./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.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_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/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_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/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_36d56d20-db2f-45be-8fb9-bba722d769b0/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 e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:59:48,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:59:48,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:59:48,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:59:48,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:59:48,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:59:48,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:59:48,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:59:48,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:59:48,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:59:48,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:59:48,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:59:48,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:59:48,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:59:48,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:59:48,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:59:48,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:59:48,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:59:48,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:59:48,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:59:48,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:59:48,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:59:48,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:59:48,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:59:48,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:59:48,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:59:48,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:59:48,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:59:48,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:59:48,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:59:48,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:59:48,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:59:48,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:59:48,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:59:48,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:59:48,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:59:48,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:59:48,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:59:48,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:59:48,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:59:48,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:59:48,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 22:59:48,989 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:59:48,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:59:48,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:59:48,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:59:48,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:59:48,992 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:59:48,992 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:59:48,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:59:48,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:59:48,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:59:48,993 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 22:59:48,994 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 22:59:48,994 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 22:59:48,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:59:48,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:59:48,995 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:59:48,995 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:59:48,995 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:59:48,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:59:48,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:59:48,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:59:48,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:59:48,997 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:59:48,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:59:48,997 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_36d56d20-db2f-45be-8fb9-bba722d769b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 [2021-11-13 22:59:49,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:59:49,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:59:49,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:59:49,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:59:49,303 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:59:49,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2021-11-13 22:59:49,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/data/9a40c4fe0/fa14b00952bd470796456b5283dbe6d2/FLAG2ec4a8e5b [2021-11-13 22:59:49,950 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:59:49,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2021-11-13 22:59:49,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/data/9a40c4fe0/fa14b00952bd470796456b5283dbe6d2/FLAG2ec4a8e5b [2021-11-13 22:59:50,261 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/data/9a40c4fe0/fa14b00952bd470796456b5283dbe6d2 [2021-11-13 22:59:50,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:59:50,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:59:50,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:59:50,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:59:50,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:59:50,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc4b246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50, skipping insertion in model container [2021-11-13 22:59:50,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:59:50,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:59:50,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:59:50,716 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:59:50,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:59:50,812 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:59:50,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50 WrapperNode [2021-11-13 22:59:50,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:59:50,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:59:50,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:59:50,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:59:50,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:59:50,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:59:50,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:59:50,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:59:50,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:59:50,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:59:50,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:59:50,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:59:50,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:50" (1/1) ... [2021-11-13 22:59:50,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:59:50,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:59:50,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:59:50,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d56d20-db2f-45be-8fb9-bba722d769b0/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:59:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:59:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:59:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:59:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:59:51,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:59:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:59:51,530 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:59:51,531 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 22:59:51,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:51 BoogieIcfgContainer [2021-11-13 22:59:51,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:59:51,539 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:59:51,539 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:59:51,552 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:59:51,553 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:51" (1/1) ... [2021-11-13 22:59:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:59:51,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2021-11-13 22:59:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2021-11-13 22:59:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:59:51,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:51,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:51,806 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 22:59:51,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2021-11-13 22:59:51,871 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2021-11-13 22:59:51,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:59:51,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:51,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:51,993 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 22:59:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:52,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-11-13 22:59:52,289 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-11-13 22:59:52,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:59:52,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:52,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:52,363 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 22:59:52,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:52,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2021-11-13 22:59:52,383 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2021-11-13 22:59:52,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:59:52,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:52,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:52,515 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 22:59:52,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:52,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2021-11-13 22:59:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2021-11-13 22:59:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:59:52,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:52,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:52,812 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 22:59:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2021-11-13 22:59:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2021-11-13 22:59:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:59:53,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:53,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:53,223 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 22:59:53,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2021-11-13 22:59:53,827 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2021-11-13 22:59:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:59:53,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:53,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:53,954 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 22:59:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2021-11-13 22:59:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2021-11-13 22:59:54,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:59:54,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:54,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:54,635 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 22:59:54,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2021-11-13 22:59:54,652 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2021-11-13 22:59:54,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:59:54,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:54,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:54,721 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 22:59:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:55,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 88 transitions. [2021-11-13 22:59:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2021-11-13 22:59:55,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:59:55,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:55,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:55,588 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 22:59:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2021-11-13 22:59:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2021-11-13 22:59:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:59:55,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:55,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:55,974 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 22:59:56,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2021-11-13 22:59:56,392 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2021-11-13 22:59:56,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:59:56,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:56,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:56,542 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 22:59:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2021-11-13 22:59:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2021-11-13 22:59:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:59:56,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:56,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:56,968 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 22:59:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 99 transitions. [2021-11-13 22:59:57,211 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2021-11-13 22:59:57,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:59:57,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:57,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:57,385 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 22:59:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 112 transitions. [2021-11-13 22:59:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2021-11-13 22:59:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:59:58,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:58,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:58,911 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 23:00:00,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:00,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 132 transitions. [2021-11-13 23:00:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2021-11-13 23:00:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:00:00,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:00,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:00,691 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 23:00:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:00,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 68 states and 137 transitions. [2021-11-13 23:00:00,973 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 137 transitions. [2021-11-13 23:00:00,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:00:00,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:00,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:01,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 68 states and 136 transitions. [2021-11-13 23:00:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 136 transitions. [2021-11-13 23:00:01,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:00:01,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:01,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 63 states and 120 transitions. [2021-11-13 23:00:01,847 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2021-11-13 23:00:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:00:01,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:01,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:01,874 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 23:00:02,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:02,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 64 states and 122 transitions. [2021-11-13 23:00:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 122 transitions. [2021-11-13 23:00:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:00:02,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:02,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:02,569 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 23:00:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 66 states and 126 transitions. [2021-11-13 23:00:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2021-11-13 23:00:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:00:02,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:02,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:03,320 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 23:00:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:04,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2021-11-13 23:00:04,551 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2021-11-13 23:00:04,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:00:04,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:04,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:04,748 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 23:00:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2021-11-13 23:00:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2021-11-13 23:00:05,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:00:05,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:05,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:05,269 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 23:00:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:05,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 143 transitions. [2021-11-13 23:00:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 143 transitions. [2021-11-13 23:00:05,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:00:05,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:05,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:05,640 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 23:00:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:05,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 73 states and 144 transitions. [2021-11-13 23:00:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 144 transitions. [2021-11-13 23:00:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:05,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:05,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:06,004 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 23:00:06,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:06,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2021-11-13 23:00:06,341 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2021-11-13 23:00:06,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:06,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:06,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:06,370 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 23:00:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:06,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 69 states and 133 transitions. [2021-11-13 23:00:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 133 transitions. [2021-11-13 23:00:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:06,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:06,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:07,619 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 23:00:09,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 146 transitions. [2021-11-13 23:00:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 146 transitions. [2021-11-13 23:00:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:09,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:09,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:09,690 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 23:00:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:10,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 73 states and 151 transitions. [2021-11-13 23:00:10,051 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 151 transitions. [2021-11-13 23:00:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:10,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:10,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:10,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 73 states and 150 transitions. [2021-11-13 23:00:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 150 transitions. [2021-11-13 23:00:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:10,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:10,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:10,750 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 23:00:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 78 states and 168 transitions. [2021-11-13 23:00:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 168 transitions. [2021-11-13 23:00:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:13,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:13,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:13,564 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 23:00:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:14,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 80 states and 172 transitions. [2021-11-13 23:00:14,680 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 172 transitions. [2021-11-13 23:00:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:14,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:14,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:15,021 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 23:00:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:16,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 83 states and 178 transitions. [2021-11-13 23:00:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 178 transitions. [2021-11-13 23:00:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:16,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:16,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:00:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 83 states and 177 transitions. [2021-11-13 23:00:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 177 transitions. [2021-11-13 23:00:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:17,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:17,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:18,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 84 states and 181 transitions. [2021-11-13 23:00:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 181 transitions. [2021-11-13 23:00:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:18,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:18,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:00:20,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 88 states and 198 transitions. [2021-11-13 23:00:20,818 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 198 transitions. [2021-11-13 23:00:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:00:20,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:20,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:21,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 89 states and 198 transitions. [2021-11-13 23:00:21,293 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 198 transitions. [2021-11-13 23:00:21,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:00:21,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:21,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:21,343 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 23:00:21,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 87 states and 194 transitions. [2021-11-13 23:00:21,897 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 194 transitions. [2021-11-13 23:00:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:00:21,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:21,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:22,217 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 23:00:22,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:22,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 88 states and 198 transitions. [2021-11-13 23:00:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 198 transitions. [2021-11-13 23:00:22,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:00:22,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:22,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:22,959 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 23:00:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 89 states and 199 transitions. [2021-11-13 23:00:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 199 transitions. [2021-11-13 23:00:23,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:00:23,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:23,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:23,509 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 23:00:25,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 92 states and 206 transitions. [2021-11-13 23:00:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 206 transitions. [2021-11-13 23:00:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:00:25,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:25,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:00:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 93 states and 206 transitions. [2021-11-13 23:00:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 206 transitions. [2021-11-13 23:00:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:00:26,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:26,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:26,794 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:27,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:27,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 94 states and 210 transitions. [2021-11-13 23:00:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 210 transitions. [2021-11-13 23:00:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:00:27,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:27,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2021-11-13 23:00:30,280 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-11-13 23:00:30,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:00:30,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:30,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:30,477 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 23:00:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2021-11-13 23:00:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2021-11-13 23:00:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:00:31,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:31,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:31,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:32,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:32,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2021-11-13 23:00:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2021-11-13 23:00:32,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:00:32,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:32,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:32,878 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 23:00:32,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:32,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2021-11-13 23:00:32,887 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2021-11-13 23:00:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:00:32,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:32,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:33,004 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 23:00:33,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:33,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2021-11-13 23:00:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2021-11-13 23:00:33,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:00:33,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:33,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:33,082 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 23:00:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2021-11-13 23:00:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2021-11-13 23:00:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:00:34,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:34,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:34,557 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 23:00:35,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:35,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2021-11-13 23:00:35,419 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2021-11-13 23:00:35,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:00:35,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:35,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:35,821 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 23:00:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2021-11-13 23:00:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2021-11-13 23:00:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:00:38,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:38,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:38,297 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 23:00:39,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:39,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2021-11-13 23:00:39,024 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2021-11-13 23:00:39,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:00:39,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:39,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:00:41,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:41,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2021-11-13 23:00:41,500 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2021-11-13 23:00:41,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:00:41,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:41,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:41,549 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 23:00:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:42,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 69 transitions. [2021-11-13 23:00:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-11-13 23:00:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:00:42,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:42,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:43,794 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 23:00:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2021-11-13 23:00:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2021-11-13 23:00:52,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:00:52,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:52,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:54,767 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 23:01:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2021-11-13 23:01:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2021-11-13 23:01:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:01:02,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:02,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:01:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2021-11-13 23:01:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2021-11-13 23:01:03,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:01:03,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:03,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:03,924 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 23:01:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:08,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 103 transitions. [2021-11-13 23:01:08,796 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2021-11-13 23:01:08,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:01:08,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:08,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:08,819 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 23:01:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 66 states and 100 transitions. [2021-11-13 23:01:10,457 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 100 transitions. [2021-11-13 23:01:10,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:01:10,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:10,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:12,066 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 23:01:19,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:19,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2021-11-13 23:01:19,091 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2021-11-13 23:01:19,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:01:19,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:19,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:20,955 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 23:01:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 77 states and 124 transitions. [2021-11-13 23:01:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 124 transitions. [2021-11-13 23:01:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:01:31,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:31,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:31,756 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 23:01:36,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2021-11-13 23:01:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2021-11-13 23:01:36,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:01:36,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:36,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:36,529 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 23:01:41,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:41,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 84 states and 137 transitions. [2021-11-13 23:01:41,647 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 137 transitions. [2021-11-13 23:01:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:01:41,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:41,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:01:45,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:45,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 86 states and 142 transitions. [2021-11-13 23:01:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 142 transitions. [2021-11-13 23:01:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:01:45,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:45,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:56,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 92 states and 151 transitions. [2021-11-13 23:01:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2021-11-13 23:01:56,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:01:56,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:56,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:01:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2021-11-13 23:01:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2021-11-13 23:01:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:01:57,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:57,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:02:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:09,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 154 transitions. [2021-11-13 23:02:09,934 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2021-11-13 23:02:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:02:09,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:09,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:11,260 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 23:02:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 94 states and 156 transitions. [2021-11-13 23:02:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 156 transitions. [2021-11-13 23:02:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:02:13,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:13,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:02:16,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:16,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 96 states and 159 transitions. [2021-11-13 23:02:16,822 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2021-11-13 23:02:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:02:16,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:16,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 113 states and 199 transitions. [2021-11-13 23:02:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2021-11-13 23:02:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:02:51,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:51,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:29,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 125 states and 225 transitions. [2021-11-13 23:03:29,741 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 225 transitions. [2021-11-13 23:03:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:03:29,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:29,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 127 states and 228 transitions. [2021-11-13 23:03:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 228 transitions. [2021-11-13 23:03:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:03:33,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:33,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:03:40,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:40,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 128 states and 228 transitions. [2021-11-13 23:03:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2021-11-13 23:03:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:03:40,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:40,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:03:48,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 132 states and 232 transitions. [2021-11-13 23:03:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 232 transitions. [2021-11-13 23:03:48,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:03:48,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:48,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:51,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 140 states and 247 transitions. [2021-11-13 23:04:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 247 transitions. [2021-11-13 23:04:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:04:11,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:11,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:47,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 141 states and 250 transitions. [2021-11-13 23:04:47,091 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 250 transitions. [2021-11-13 23:04:47,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:04:47,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:47,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:04:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 144 states and 253 transitions. [2021-11-13 23:04:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 253 transitions. [2021-11-13 23:04:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:04:53,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:53,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:05:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 150 states and 267 transitions. [2021-11-13 23:05:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 267 transitions. [2021-11-13 23:05:22,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:05:22,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:22,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:05:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 158 states and 284 transitions. [2021-11-13 23:05:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 284 transitions. [2021-11-13 23:05:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:05:42,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:42,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:46,171 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 164 states and 295 transitions. [2021-11-13 23:06:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 295 transitions. [2021-11-13 23:06:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:06:09,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:09,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:26,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 170 states and 312 transitions. [2021-11-13 23:06:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 312 transitions. [2021-11-13 23:06:26,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:06:26,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:26,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:06:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 177 states and 324 transitions. [2021-11-13 23:06:55,552 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 324 transitions. [2021-11-13 23:06:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:06:55,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:55,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:07:11,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:11,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 184 states and 336 transitions. [2021-11-13 23:07:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 336 transitions. [2021-11-13 23:07:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:07:11,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:11,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:07:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 184 states and 333 transitions. [2021-11-13 23:07:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 333 transitions. [2021-11-13 23:07:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:07:15,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:15,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:07:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 193 states and 347 transitions. [2021-11-13 23:07:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 347 transitions. [2021-11-13 23:07:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:07:43,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:43,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:09:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 219 states and 410 transitions. [2021-11-13 23:09:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 410 transitions. [2021-11-13 23:09:21,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:09:21,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:21,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:09:44,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 227 states and 430 transitions. [2021-11-13 23:09:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 430 transitions. [2021-11-13 23:09:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:09:44,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:44,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:09,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 247 states and 477 transitions. [2021-11-13 23:11:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 477 transitions. [2021-11-13 23:11:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:11:09,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:09,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 255 states and 499 transitions. [2021-11-13 23:11:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 499 transitions. [2021-11-13 23:11:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:11:34,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:34,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.