./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2.c --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_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/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_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/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_2ba590cf-6fdf-4eb5-bad5-54a705208900/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 13ad8bc9cfa3954c0bae4db0509cb11733a45600a9e4ff56ca5bdd4aceeb1fc0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:55:19,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:55:19,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:55:19,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:55:19,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:55:19,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:55:19,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:55:19,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:55:19,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:55:19,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:55:19,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:55:19,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:55:19,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:55:19,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:55:19,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:55:19,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:55:19,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:55:19,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:55:19,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:55:19,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:55:19,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:55:19,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:55:19,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:55:19,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:55:19,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:55:19,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:55:19,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:55:19,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:55:19,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:55:19,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:55:19,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:55:19,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:55:19,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:55:19,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:55:19,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:55:19,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:55:19,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:55:19,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:55:19,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:55:19,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:55:19,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:55:19,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:55:19,580 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:55:19,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:55:19,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:55:19,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:55:19,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:55:19,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:55:19,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:55:19,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:55:19,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:55:19,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:55:19,588 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:55:19,588 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:55:19,588 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:55:19,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:55:19,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:55:19,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:55:19,589 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:55:19,590 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:55:19,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:55:19,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:55:19,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:55:19,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:55:19,591 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:55:19,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:55:19,591 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_2ba590cf-6fdf-4eb5-bad5-54a705208900/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ad8bc9cfa3954c0bae4db0509cb11733a45600a9e4ff56ca5bdd4aceeb1fc0 [2021-11-13 23:55:19,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:55:19,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:55:19,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:55:19,947 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:55:19,952 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:55:19,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2.c [2021-11-13 23:55:20,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/data/51015fac2/4e59622dbb7d4f29845ba9a1fb8c7fdc/FLAG7342faad0 [2021-11-13 23:55:20,575 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:55:20,576 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2.c [2021-11-13 23:55:20,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/data/51015fac2/4e59622dbb7d4f29845ba9a1fb8c7fdc/FLAG7342faad0 [2021-11-13 23:55:20,948 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/data/51015fac2/4e59622dbb7d4f29845ba9a1fb8c7fdc [2021-11-13 23:55:20,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:55:20,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:55:20,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:55:20,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:55:20,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:55:20,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:55:20" (1/1) ... [2021-11-13 23:55:20,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de55fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:20, skipping insertion in model container [2021-11-13 23:55:20,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:55:20" (1/1) ... [2021-11-13 23:55:20,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:55:20,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:55:21,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:55:21,215 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:55:21,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:55:21,245 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:55:21,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21 WrapperNode [2021-11-13 23:55:21,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:55:21,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:55:21,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:55:21,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:55:21,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:55:21,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:55:21,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:55:21,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:55:21,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:55:21,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:55:21,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:55:21,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:55:21,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:55:21,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:55:21,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:55:21,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba590cf-6fdf-4eb5-bad5-54a705208900/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:55:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:55:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:55:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:55:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:55:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:55:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:55:21,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:55:21,773 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 23:55:21,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:55:21 BoogieIcfgContainer [2021-11-13 23:55:21,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:55:21,777 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:55:21,778 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:55:21,789 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:55:21,789 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:55:21" (1/1) ... [2021-11-13 23:55:21,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:55:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:21,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2021-11-13 23:55:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-11-13 23:55:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:55:21,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:21,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:22,103 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 23:55:22,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:22,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2021-11-13 23:55:22,163 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2021-11-13 23:55:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:55:22,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:22,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:22,262 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 23:55:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2021-11-13 23:55:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-11-13 23:55:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:55:22,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:22,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:22,406 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 23:55:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2021-11-13 23:55:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-11-13 23:55:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:55:22,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:22,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:22,663 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 23:55:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:22,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2021-11-13 23:55:22,839 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-11-13 23:55:22,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:55:22,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:22,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:23,000 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 23:55:23,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-11-13 23:55:23,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-11-13 23:55:23,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:55:23,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:23,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:23,734 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 23:55:24,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2021-11-13 23:55:24,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2021-11-13 23:55:24,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:55:24,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:24,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:24,637 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 23:55:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2021-11-13 23:55:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2021-11-13 23:55:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:55:24,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:24,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2021-11-13 23:55:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2021-11-13 23:55:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:55:25,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:25,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:25,402 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 23:55:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2021-11-13 23:55:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2021-11-13 23:55:26,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:55:26,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:26,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2021-11-13 23:55:26,523 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2021-11-13 23:55:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:55:26,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:26,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2021-11-13 23:55:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2021-11-13 23:55:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:55:27,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:27,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:55:27,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2021-11-13 23:55:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2021-11-13 23:55:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:55:27,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:27,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2021-11-13 23:55:28,859 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2021-11-13 23:55:28,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:55:28,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:28,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:29,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:29,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 90 transitions. [2021-11-13 23:55:29,732 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2021-11-13 23:55:29,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:55:29,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:29,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:55:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2021-11-13 23:55:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2021-11-13 23:55:29,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:55:29,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:29,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:30,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:31,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2021-11-13 23:55:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2021-11-13 23:55:31,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:55:31,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:31,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:32,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 100 transitions. [2021-11-13 23:55:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 100 transitions. [2021-11-13 23:55:32,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:55:32,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:32,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:55:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 68 states and 117 transitions. [2021-11-13 23:55:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 117 transitions. [2021-11-13 23:55:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:55:36,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:36,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 73 states and 125 transitions. [2021-11-13 23:55:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 125 transitions. [2021-11-13 23:55:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:55:39,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:39,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:55:39,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2021-11-13 23:55:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2021-11-13 23:55:39,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:55:39,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:39,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:55:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 76 states and 130 transitions. [2021-11-13 23:55:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 130 transitions. [2021-11-13 23:55:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:55:40,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:40,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:40,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:55:42,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2021-11-13 23:55:42,082 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2021-11-13 23:55:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:55:42,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:42,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:42,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:55:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 80 states and 137 transitions. [2021-11-13 23:55:42,661 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 137 transitions. [2021-11-13 23:55:42,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:55:42,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:42,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 85 states and 145 transitions. [2021-11-13 23:55:46,166 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 145 transitions. [2021-11-13 23:55:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:55:46,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:46,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:55:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 85 states and 144 transitions. [2021-11-13 23:55:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 144 transitions. [2021-11-13 23:55:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:55:46,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:46,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:55:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 88 states and 152 transitions. [2021-11-13 23:55:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 152 transitions. [2021-11-13 23:55:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:55:49,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:49,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 23:55:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2021-11-13 23:55:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2021-11-13 23:55:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:55:50,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:50,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:55:52,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:52,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 94 states and 158 transitions. [2021-11-13 23:55:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 158 transitions. [2021-11-13 23:55:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:55:52,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:52,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:52,737 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:55:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 95 states and 159 transitions. [2021-11-13 23:55:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 159 transitions. [2021-11-13 23:55:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:55:53,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:53,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:55:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 99 states and 168 transitions. [2021-11-13 23:55:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 168 transitions. [2021-11-13 23:55:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:55:57,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:57,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:56:02,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 184 transitions. [2021-11-13 23:56:02,365 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2021-11-13 23:56:02,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:56:02,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:02,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:56:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 209 transitions. [2021-11-13 23:56:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 209 transitions. [2021-11-13 23:56:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:56:10,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:10,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:56:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 130 states and 220 transitions. [2021-11-13 23:56:16,260 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 220 transitions. [2021-11-13 23:56:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:56:16,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:16,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:56:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2021-11-13 23:56:17,264 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2021-11-13 23:56:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:56:17,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:17,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 34 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:56:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2021-11-13 23:56:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2021-11-13 23:56:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:56:20,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:20,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 34 proven. 46 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:56:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 229 transitions. [2021-11-13 23:56:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 229 transitions. [2021-11-13 23:56:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:56:22,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:22,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 37 proven. 45 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:56:25,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 140 states and 232 transitions. [2021-11-13 23:56:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 232 transitions. [2021-11-13 23:56:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:56:25,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:25,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 11 proven. 86 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:56:27,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2021-11-13 23:56:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2021-11-13 23:56:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:56:27,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:27,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 40 proven. 70 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:56:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 152 states and 248 transitions. [2021-11-13 23:56:34,593 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 248 transitions. [2021-11-13 23:56:34,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:56:34,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:34,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 37 proven. 75 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:56:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 158 states and 256 transitions. [2021-11-13 23:56:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 256 transitions. [2021-11-13 23:56:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:56:40,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:40,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 37 proven. 75 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:56:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 162 states and 261 transitions. [2021-11-13 23:56:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 261 transitions. [2021-11-13 23:56:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:56:43,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:43,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 40 proven. 70 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:56:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:47,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 168 states and 271 transitions. [2021-11-13 23:56:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 271 transitions. [2021-11-13 23:56:47,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:56:47,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:47,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 40 proven. 70 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:56:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 170 states and 272 transitions. [2021-11-13 23:56:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 272 transitions. [2021-11-13 23:56:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:56:50,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:50,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:50,276 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 37 proven. 75 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:56:52,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:56:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 174 states and 277 transitions. [2021-11-13 23:56:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 277 transitions. [2021-11-13 23:56:52,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:56:52,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:56:52,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:56:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 10 proven. 117 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:57:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 185 states and 293 transitions. [2021-11-13 23:57:00,269 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 293 transitions. [2021-11-13 23:57:00,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:57:00,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:00,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 10 proven. 117 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:57:06,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:06,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 193 states and 304 transitions. [2021-11-13 23:57:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 304 transitions. [2021-11-13 23:57:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:57:06,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:06,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 10 proven. 117 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:57:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:10,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 197 states and 309 transitions. [2021-11-13 23:57:10,250 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 309 transitions. [2021-11-13 23:57:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:57:10,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:10,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-13 23:57:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 216 states and 340 transitions. [2021-11-13 23:57:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 340 transitions. [2021-11-13 23:57:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:57:25,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:25,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 10 proven. 117 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:57:30,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 224 states and 351 transitions. [2021-11-13 23:57:30,381 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 351 transitions. [2021-11-13 23:57:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:57:30,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:30,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 85 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 23:57:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:32,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 224 states and 350 transitions. [2021-11-13 23:57:32,811 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 350 transitions. [2021-11-13 23:57:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:57:32,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:32,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:33,211 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-13 23:57:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 225 states and 354 transitions. [2021-11-13 23:57:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 354 transitions. [2021-11-13 23:57:34,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:57:34,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:34,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:37,093 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 115 proven. 49 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 23:57:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:39,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 225 states and 352 transitions. [2021-11-13 23:57:39,779 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 352 transitions. [2021-11-13 23:57:39,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 23:57:39,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:39,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:40,902 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 115 proven. 106 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 23:57:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 231 states and 359 transitions. [2021-11-13 23:57:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 359 transitions. [2021-11-13 23:57:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:57:43,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:43,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:45,605 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 119 proven. 106 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-13 23:57:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 234 states and 362 transitions. [2021-11-13 23:57:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 362 transitions. [2021-11-13 23:57:49,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:57:49,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:49,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:49,976 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 22 proven. 227 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-13 23:57:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 240 states and 368 transitions. [2021-11-13 23:57:52,681 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 368 transitions. [2021-11-13 23:57:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-13 23:57:52,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:52,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 119 proven. 174 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-13 23:57:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 244 states and 373 transitions. [2021-11-13 23:57:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 373 transitions. [2021-11-13 23:57:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-13 23:57:59,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:59,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:58:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:58:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 119 proven. 174 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-13 23:58:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:58:04,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 248 states and 378 transitions. [2021-11-13 23:58:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 378 transitions. [2021-11-13 23:58:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-13 23:58:04,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:58:04,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:58:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:58:04,894 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 119 proven. 174 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-13 23:58:08,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:58:08,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 252 states and 383 transitions. [2021-11-13 23:58:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 383 transitions. [2021-11-13 23:58:08,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:58:08,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:58:08,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:58:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:58:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 19 proven. 298 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-13 23:58:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:58:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 266 states and 402 transitions. [2021-11-13 23:58:19,830 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 402 transitions. [2021-11-13 23:58:19,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:58:19,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:58:19,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:58:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:58:19,900 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 19 proven. 298 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-13 23:58:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:58:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 274 states and 413 transitions. [2021-11-13 23:58:27,582 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 413 transitions. [2021-11-13 23:58:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:58:27,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:58:27,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:58:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:58:27,649 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 19 proven. 298 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-13 23:58:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:58:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 276 states and 415 transitions. [2021-11-13 23:58:30,561 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 415 transitions. [2021-11-13 23:58:30,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:58:30,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:58:30,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:58:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:58:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 304 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-13 23:58:54,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:58:54,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 300 states and 452 transitions. [2021-11-13 23:58:54,426 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 452 transitions. [2021-11-13 23:58:54,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:58:54,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:58:54,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:58:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:58:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 186 proven. 7 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-13 23:58:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:58:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 300 states and 451 transitions. [2021-11-13 23:58:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 451 transitions. [2021-11-13 23:58:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 23:58:58,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:58:58,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:58:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:58:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-13 23:59:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 301 states and 456 transitions. [2021-11-13 23:59:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 456 transitions. [2021-11-13 23:59:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:59:00,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:00,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 295 proven. 74 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-13 23:59:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 301 states and 453 transitions. [2021-11-13 23:59:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 453 transitions. [2021-11-13 23:59:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 23:59:06,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:06,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 295 proven. 203 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-13 23:59:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:13,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 307 states and 460 transitions. [2021-11-13 23:59:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 460 transitions. [2021-11-13 23:59:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 23:59:13,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:13,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 300 proven. 205 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-13 23:59:21,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:21,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 310 states and 463 transitions. [2021-11-13 23:59:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 463 transitions. [2021-11-13 23:59:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 23:59:21,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:21,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 37 proven. 503 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-13 23:59:26,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:26,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 316 states and 469 transitions. [2021-11-13 23:59:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 469 transitions. [2021-11-13 23:59:26,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-13 23:59:26,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:26,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 300 proven. 340 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-13 23:59:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 320 states and 474 transitions. [2021-11-13 23:59:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 474 transitions. [2021-11-13 23:59:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-13 23:59:37,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:37,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 300 proven. 340 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-13 23:59:43,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:43,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 324 states and 479 transitions. [2021-11-13 23:59:43,478 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 479 transitions. [2021-11-13 23:59:43,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-13 23:59:43,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:43,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:44,157 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 300 proven. 340 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-13 23:59:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:49,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 330 states and 490 transitions. [2021-11-13 23:59:49,525 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 490 transitions. [2021-11-13 23:59:49,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-13 23:59:49,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:49,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 305 proven. 321 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 23:59:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 335 states and 497 transitions. [2021-11-13 23:59:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 497 transitions. [2021-11-13 23:59:57,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 23:59:57,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:57,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 31 proven. 639 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-14 00:00:14,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 352 states and 519 transitions. [2021-11-14 00:00:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 519 transitions. [2021-11-14 00:00:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-14 00:00:14,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:14,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 31 proven. 639 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-14 00:00:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:24,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 360 states and 530 transitions. [2021-11-14 00:00:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 530 transitions. [2021-11-14 00:00:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-14 00:00:24,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:24,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 31 proven. 639 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-14 00:00:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 362 states and 532 transitions. [2021-11-14 00:00:28,752 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 532 transitions. [2021-11-14 00:00:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-14 00:00:28,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:28,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-14 00:01:23,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:23,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 391 states and 576 transitions. [2021-11-14 00:01:23,327 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 576 transitions. [2021-11-14 00:01:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-14 00:01:23,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:23,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:23,632 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-14 00:01:28,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:28,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 393 states and 579 transitions. [2021-11-14 00:01:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 579 transitions. [2021-11-14 00:01:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-14 00:01:28,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:28,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 31 proven. 639 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-14 00:01:36,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 401 states and 591 transitions. [2021-11-14 00:01:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 591 transitions. [2021-11-14 00:01:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-14 00:01:36,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:36,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 348 proven. 9 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2021-11-14 00:01:43,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 399 states and 587 transitions. [2021-11-14 00:01:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 587 transitions. [2021-11-14 00:01:43,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-14 00:01:43,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:43,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:44,499 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 0 proven. 641 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-14 00:02:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 414 states and 620 transitions. [2021-11-14 00:02:16,243 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 620 transitions. [2021-11-14 00:02:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-14 00:02:16,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:16,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 635 proven. 104 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-14 00:02:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 414 states and 616 transitions. [2021-11-14 00:02:25,577 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 616 transitions. [2021-11-14 00:02:25,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-14 00:02:25,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:25,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 635 proven. 346 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-14 00:02:36,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 420 states and 623 transitions. [2021-11-14 00:02:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 623 transitions. [2021-11-14 00:02:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-14 00:02:36,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:36,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:41,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 641 proven. 351 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-14 00:02:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 423 states and 626 transitions. [2021-11-14 00:02:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 626 transitions. [2021-11-14 00:02:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-14 00:02:49,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:49,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 56 proven. 984 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-14 00:02:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 429 states and 632 transitions. [2021-11-14 00:02:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 632 transitions. [2021-11-14 00:02:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-14 00:02:55,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:55,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:01,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 641 proven. 573 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-14 00:03:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 433 states and 637 transitions. [2021-11-14 00:03:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 637 transitions. [2021-11-14 00:03:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-14 00:03:12,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:12,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 641 proven. 573 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-14 00:03:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 437 states and 642 transitions. [2021-11-14 00:03:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 642 transitions. [2021-11-14 00:03:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-14 00:03:19,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:19,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 641 proven. 573 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-14 00:03:26,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 441 states and 648 transitions. [2021-11-14 00:03:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 648 transitions. [2021-11-14 00:03:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-14 00:03:26,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:26,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:28,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 46 proven. 1216 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-14 00:03:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:50,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 461 states and 673 transitions. [2021-11-14 00:03:50,978 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 673 transitions. [2021-11-14 00:03:50,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-14 00:03:50,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:50,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 46 proven. 1216 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-14 00:04:04,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:04,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 469 states and 684 transitions. [2021-11-14 00:04:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 684 transitions. [2021-11-14 00:04:04,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-14 00:04:04,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:04,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 742 proven. 29 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2021-11-14 00:04:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 469 states and 683 transitions. [2021-11-14 00:04:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 683 transitions. [2021-11-14 00:04:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-14 00:04:17,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:17,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 0 proven. 1247 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-14 00:05:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:28,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 503 states and 731 transitions. [2021-11-14 00:05:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 731 transitions. [2021-11-14 00:05:28,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-14 00:05:28,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:28,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 0 proven. 1218 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-11-14 00:06:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:16,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 520 states and 770 transitions. [2021-11-14 00:06:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 770 transitions. [2021-11-14 00:06:16,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-14 00:06:16,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:16,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 0 proven. 1218 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-11-14 00:06:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 530 states and 789 transitions. [2021-11-14 00:06:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 789 transitions. [2021-11-14 00:06:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-14 00:06:36,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:36,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 1211 proven. 139 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-11-14 00:06:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 530 states and 784 transitions. [2021-11-14 00:06:48,840 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 784 transitions. [2021-11-14 00:06:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-14 00:06:48,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:48,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1961 backedges. 1211 proven. 544 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.