./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-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_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/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_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/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_787fb27e-c062-4f0c-bc99-467d789d0ab5/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 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:15:43,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:15:43,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:15:43,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:15:43,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:15:43,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:15:43,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:15:43,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:15:43,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:15:43,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:15:43,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:15:43,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:15:43,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:15:43,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:15:43,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:15:43,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:15:43,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:15:43,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:15:43,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:15:43,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:15:43,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:15:43,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:15:43,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:15:43,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:15:43,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:15:43,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:15:43,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:15:43,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:15:43,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:15:43,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:15:43,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:15:43,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:15:43,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:15:43,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:15:43,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:15:43,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:15:43,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:15:43,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:15:43,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:15:43,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:15:43,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:15:43,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:15:43,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:15:43,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:15:43,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:15:43,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:15:43,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:15:43,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:15:43,947 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:15:43,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:15:43,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:15:43,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:15:43,949 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:15:43,950 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:15:43,950 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:15:43,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:15:43,951 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:15:43,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:15:43,951 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:15:43,951 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:15:43,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:15:43,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:15:43,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:15:43,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:15:43,953 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:15:43,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:15:43,953 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_787fb27e-c062-4f0c-bc99-467d789d0ab5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 [2021-11-13 23:15:44,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:15:44,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:15:44,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:15:44,366 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:15:44,367 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:15:44,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-11-13 23:15:44,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/data/e6913222f/b0f08e93ffa143a9b4818da9563a609b/FLAG16d066d79 [2021-11-13 23:15:45,170 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:15:45,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-11-13 23:15:45,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/data/e6913222f/b0f08e93ffa143a9b4818da9563a609b/FLAG16d066d79 [2021-11-13 23:15:45,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/data/e6913222f/b0f08e93ffa143a9b4818da9563a609b [2021-11-13 23:15:45,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:15:45,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:15:45,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:15:45,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:15:45,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:15:45,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:45" (1/1) ... [2021-11-13 23:15:45,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1889fd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:45, skipping insertion in model container [2021-11-13 23:15:45,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:45" (1/1) ... [2021-11-13 23:15:45,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:15:45,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:15:46,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:15:46,017 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:15:46,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:15:46,125 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:15:46,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46 WrapperNode [2021-11-13 23:15:46,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:15:46,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:15:46,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:15:46,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:15:46,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:15:46,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:15:46,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:15:46,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:15:46,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:15:46,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:15:46,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:15:46,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:15:46,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:15:46,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:15:46,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:15:46,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_787fb27e-c062-4f0c-bc99-467d789d0ab5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:15:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:15:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:15:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:15:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:15:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:15:46,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:15:46,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:15:46,749 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:15:46,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:46 BoogieIcfgContainer [2021-11-13 23:15:46,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:15:46,752 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:15:46,753 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:15:46,763 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:15:46,763 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:46" (1/1) ... [2021-11-13 23:15:46,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:15:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-13 23:15:46,846 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-13 23:15:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:15:46,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:46,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:47,081 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 23:15:47,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:47,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-13 23:15:47,153 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-13 23:15:47,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:15:47,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:47,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:47,263 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 23:15:47,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:47,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-13 23:15:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-13 23:15:47,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:15:47,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:47,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:47,501 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 23:15:47,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:47,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-13 23:15:47,714 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-13 23:15:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:15:47,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:47,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:47,785 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 23:15:47,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-13 23:15:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-13 23:15:47,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:15:47,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:47,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:47,976 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 23:15:48,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-11-13 23:15:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-11-13 23:15:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:15:48,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:48,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:48,497 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 23:15:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-13 23:15:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-13 23:15:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:15:48,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:48,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:48,656 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 23:15:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-13 23:15:48,856 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-13 23:15:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:15:48,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:48,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:48,976 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 23:15:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:49,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2021-11-13 23:15:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2021-11-13 23:15:49,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:15:49,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:49,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:49,921 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 23:15:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2021-11-13 23:15:51,128 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-11-13 23:15:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:15:51,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:51,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:51,306 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 23:15:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2021-11-13 23:15:51,667 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-13 23:15:51,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:15:51,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:51,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:51,823 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 23:15:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:52,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2021-11-13 23:15:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2021-11-13 23:15:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:15:52,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:52,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:52,463 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 23:15:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2021-11-13 23:15:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-11-13 23:15:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:15:52,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:52,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:53,033 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 23:15:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2021-11-13 23:15:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2021-11-13 23:15:53,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:15:53,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:53,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:53,994 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 23:15:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2021-11-13 23:15:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2021-11-13 23:15:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:15:54,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:54,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:55,013 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 23:15:56,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2021-11-13 23:15:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2021-11-13 23:15:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:15:56,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:56,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2021-11-13 23:15:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-11-13 23:15:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:15:57,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:57,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:59,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2021-11-13 23:15:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-13 23:15:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:15:59,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:59,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:59,554 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 23:16:01,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:01,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2021-11-13 23:16:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2021-11-13 23:16:01,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:16:01,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:01,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:01,788 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 23:16:02,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2021-11-13 23:16:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2021-11-13 23:16:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:16:02,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:02,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:04,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2021-11-13 23:16:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2021-11-13 23:16:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:16:04,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:04,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:04,257 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 23:16:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2021-11-13 23:16:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2021-11-13 23:16:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:16:05,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:05,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:05,726 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 23:16:06,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2021-11-13 23:16:06,435 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2021-11-13 23:16:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:16:06,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:06,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:06,648 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 23:16:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2021-11-13 23:16:08,807 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2021-11-13 23:16:08,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:16:08,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:08,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2021-11-13 23:16:10,103 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2021-11-13 23:16:10,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:16:10,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:10,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:16:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:10,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2021-11-13 23:16:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2021-11-13 23:16:10,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:16:10,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:10,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2021-11-13 23:16:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2021-11-13 23:16:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:16:18,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:18,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:18,631 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 23:16:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2021-11-13 23:16:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2021-11-13 23:16:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:16:19,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:19,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:19,358 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 23:16:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 81 transitions. [2021-11-13 23:16:21,826 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2021-11-13 23:16:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:16:21,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:21,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:27,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2021-11-13 23:16:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2021-11-13 23:16:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:16:27,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:27,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:27,903 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 23:16:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 96 transitions. [2021-11-13 23:16:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2021-11-13 23:16:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:16:28,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:28,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:16:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2021-11-13 23:16:29,314 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2021-11-13 23:16:29,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:16:29,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:29,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:29,370 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 23:16:31,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:31,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 63 states and 100 transitions. [2021-11-13 23:16:31,736 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2021-11-13 23:16:31,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:16:31,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:31,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:32,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2021-11-13 23:16:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2021-11-13 23:16:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:16:38,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:38,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:51,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 142 transitions. [2021-11-13 23:16:51,872 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 142 transitions. [2021-11-13 23:16:51,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:16:51,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:51,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 23:16:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 85 states and 157 transitions. [2021-11-13 23:16:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 157 transitions. [2021-11-13 23:16:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:16:55,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:55,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:04,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 91 states and 169 transitions. [2021-11-13 23:17:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 169 transitions. [2021-11-13 23:17:04,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:17:04,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 23:17:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 93 states and 173 transitions. [2021-11-13 23:17:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 173 transitions. [2021-11-13 23:17:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:17:06,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:06,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:18,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 99 states and 186 transitions. [2021-11-13 23:17:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 186 transitions. [2021-11-13 23:17:18,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:17:18,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 107 states and 209 transitions. [2021-11-13 23:17:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 209 transitions. [2021-11-13 23:17:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:17:34,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:17:36,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:36,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 108 states and 209 transitions. [2021-11-13 23:17:36,013 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 209 transitions. [2021-11-13 23:17:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:17:36,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:36,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:42,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 114 states and 222 transitions. [2021-11-13 23:17:42,289 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 222 transitions. [2021-11-13 23:17:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:17:42,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:42,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:44,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 116 states and 231 transitions. [2021-11-13 23:17:44,540 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 231 transitions. [2021-11-13 23:17:44,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:17:44,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:44,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 127 states and 258 transitions. [2021-11-13 23:18:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 258 transitions. [2021-11-13 23:18:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:18:04,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:04,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:13,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 133 states and 270 transitions. [2021-11-13 23:18:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 270 transitions. [2021-11-13 23:18:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:18:13,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:13,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:28,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 141 states and 288 transitions. [2021-11-13 23:18:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 288 transitions. [2021-11-13 23:18:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:18:28,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:28,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:28,075 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 147 states and 299 transitions. [2021-11-13 23:18:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 299 transitions. [2021-11-13 23:18:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:18:35,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:35,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 153 states and 310 transitions. [2021-11-13 23:18:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 310 transitions. [2021-11-13 23:18:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:18:57,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:57,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:19:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:07,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 161 states and 329 transitions. [2021-11-13 23:19:07,714 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 329 transitions. [2021-11-13 23:19:07,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:19:07,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:07,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:19:34,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 167 states and 340 transitions. [2021-11-13 23:19:34,773 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 340 transitions. [2021-11-13 23:19:34,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:19:34,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:34,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 23:19:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 168 states and 340 transitions. [2021-11-13 23:19:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 340 transitions. [2021-11-13 23:19:36,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:19:36,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:36,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 23:19:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 169 states and 340 transitions. [2021-11-13 23:19:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 340 transitions. [2021-11-13 23:19:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:19:37,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:37,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:19:47,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 175 states and 354 transitions. [2021-11-13 23:19:47,117 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 354 transitions. [2021-11-13 23:19:47,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:19:47,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:47,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:19:56,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 181 states and 368 transitions. [2021-11-13 23:19:56,443 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 368 transitions. [2021-11-13 23:19:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:19:56,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:56,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:19:59,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:59,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 183 states and 372 transitions. [2021-11-13 23:19:59,689 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 372 transitions. [2021-11-13 23:19:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:19:59,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:59,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:20:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 185 states and 375 transitions. [2021-11-13 23:20:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 375 transitions. [2021-11-13 23:20:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:20:01,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:01,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:01,480 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:20:11,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:11,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 191 states and 386 transitions. [2021-11-13 23:20:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 386 transitions. [2021-11-13 23:20:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:20:11,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:11,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:20:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 203 states and 417 transitions. [2021-11-13 23:20:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 417 transitions. [2021-11-13 23:20:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:20:40,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:40,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:20:51,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:51,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 209 states and 429 transitions. [2021-11-13 23:20:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 429 transitions. [2021-11-13 23:20:51,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:20:51,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:51,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:02,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 215 states and 441 transitions. [2021-11-13 23:21:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 441 transitions. [2021-11-13 23:21:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:21:02,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:02,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 223 states and 460 transitions. [2021-11-13 23:21:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 460 transitions. [2021-11-13 23:21:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:21:17,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:17,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:38,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 232 states and 480 transitions. [2021-11-13 23:21:38,164 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 480 transitions. [2021-11-13 23:21:38,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:21:38,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:38,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:38,238 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:49,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:49,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 238 states and 494 transitions. [2021-11-13 23:21:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 494 transitions. [2021-11-13 23:21:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:21:49,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:49,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:01,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:01,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 244 states and 505 transitions. [2021-11-13 23:22:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 505 transitions. [2021-11-13 23:22:01,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:22:01,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:01,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 246 states and 509 transitions. [2021-11-13 23:22:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 509 transitions. [2021-11-13 23:22:05,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:22:05,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:05,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:17,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 252 states and 520 transitions. [2021-11-13 23:22:17,258 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 520 transitions. [2021-11-13 23:22:17,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:22:17,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:50,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 258 states and 533 transitions. [2021-11-13 23:22:50,056 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 533 transitions. [2021-11-13 23:22:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:22:50,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:50,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:54,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:54,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 261 states and 543 transitions. [2021-11-13 23:22:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 543 transitions. [2021-11-13 23:22:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:22:54,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:54,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:23:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 267 states and 555 transitions. [2021-11-13 23:23:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 555 transitions. [2021-11-13 23:23:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:23:06,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:06,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:23:19,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 273 states and 566 transitions. [2021-11-13 23:23:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 566 transitions. [2021-11-13 23:23:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:23:19,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:19,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:19,190 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:23:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:30,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 279 states and 580 transitions. [2021-11-13 23:23:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 580 transitions. [2021-11-13 23:23:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:23:30,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:30,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:23:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 281 states and 588 transitions. [2021-11-13 23:23:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 588 transitions. [2021-11-13 23:23:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:23:34,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:34,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:41,574 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:24:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:18,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 287 states and 599 transitions. [2021-11-13 23:24:18,888 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 599 transitions. [2021-11-13 23:24:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:24:18,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:18,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:24:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 293 states and 610 transitions. [2021-11-13 23:24:31,707 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 610 transitions. [2021-11-13 23:24:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:24:31,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:31,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:24:44,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 299 states and 621 transitions. [2021-11-13 23:24:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 621 transitions. [2021-11-13 23:24:44,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:24:44,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:44,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:44,568 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:24:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:59,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 307 states and 638 transitions. [2021-11-13 23:24:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 638 transitions. [2021-11-13 23:24:59,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:24:59,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:59,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 313 states and 653 transitions. [2021-11-13 23:25:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 653 transitions. [2021-11-13 23:25:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:25:13,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:13,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 316 states and 664 transitions. [2021-11-13 23:25:17,829 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 664 transitions. [2021-11-13 23:25:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:25:17,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:17,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:36,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:36,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 325 states and 690 transitions. [2021-11-13 23:25:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 690 transitions. [2021-11-13 23:25:36,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:25:36,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:36,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 333 states and 709 transitions. [2021-11-13 23:25:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 709 transitions. [2021-11-13 23:25:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:25:54,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:54,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:54,396 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:08,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:08,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 339 states and 720 transitions. [2021-11-13 23:26:08,082 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 720 transitions. [2021-11-13 23:26:08,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:26:08,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:08,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 348 states and 746 transitions. [2021-11-13 23:26:49,777 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 746 transitions. [2021-11-13 23:26:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:26:49,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:49,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 354 states and 758 transitions. [2021-11-13 23:27:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 758 transitions. [2021-11-13 23:27:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:27:05,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:05,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 360 states and 773 transitions. [2021-11-13 23:27:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 773 transitions. [2021-11-13 23:27:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:27:21,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:21,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:37,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 366 states and 785 transitions. [2021-11-13 23:27:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 785 transitions. [2021-11-13 23:27:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:27:37,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:37,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.