./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:04:27,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:04:27,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:04:27,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:04:27,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:04:27,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:04:27,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:04:27,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:04:27,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:04:27,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:04:27,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:04:27,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:04:27,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:04:27,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:04:27,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:04:27,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:04:27,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:04:27,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:04:27,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:04:27,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:04:27,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:04:27,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:04:27,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:04:27,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:04:27,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:04:27,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:04:27,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:04:27,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:04:27,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:04:27,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:04:27,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:04:27,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:04:27,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:04:27,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:04:27,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:04:27,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:04:27,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:04:27,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:04:27,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:04:27,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:04:27,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:04:27,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:04:27,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:04:27,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:04:27,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:04:27,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:04:27,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:04:27,623 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:04:27,624 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:04:27,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:04:27,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:04:27,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:04:27,626 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:04:27,626 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:04:27,626 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:04:27,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:04:27,627 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:04:27,627 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:04:27,627 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:04:27,627 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:04:27,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:04:27,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:04:27,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:04:27,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:04:27,629 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:04:27,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:04:27,629 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_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d [2021-11-23 01:04:27,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:04:27,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:04:27,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:04:27,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:04:27,924 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:04:27,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i [2021-11-23 01:04:28,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/data/cbae5474e/2c2343bfc41e43979326c2d95ec3c4e1/FLAG57c6e5471 [2021-11-23 01:04:28,590 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:04:28,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i [2021-11-23 01:04:28,623 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/data/cbae5474e/2c2343bfc41e43979326c2d95ec3c4e1/FLAG57c6e5471 [2021-11-23 01:04:28,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/data/cbae5474e/2c2343bfc41e43979326c2d95ec3c4e1 [2021-11-23 01:04:28,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:04:28,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:04:28,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:04:28,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:04:28,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:04:28,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:28" (1/1) ... [2021-11-23 01:04:28,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494156f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:28, skipping insertion in model container [2021-11-23 01:04:28,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:28" (1/1) ... [2021-11-23 01:04:28,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:04:28,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:04:29,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:04:29,442 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:04:29,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:04:29,588 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:04:29,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29 WrapperNode [2021-11-23 01:04:29,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:04:29,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:04:29,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:04:29,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:04:29,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2021-11-23 01:04:29,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2021-11-23 01:04:29,676 INFO L137 Inliner]: procedures = 164, calls = 71, calls flagged for inlining = 32, calls inlined = 27, statements flattened = 192 [2021-11-23 01:04:29,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:04:29,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:04:29,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:04:29,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:04:29,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2021-11-23 01:04:29,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2021-11-23 01:04:29,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2021-11-23 01:04:29,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2021-11-23 01:04:29,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2021-11-23 01:04:29,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2021-11-23 01:04:29,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2021-11-23 01:04:29,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:04:29,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:04:29,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:04:29,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:04:29,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2021-11-23 01:04:29,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:04:29,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:04:29,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:04:29,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff8656b-85f2-4393-91f8-848bd20c513f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:04:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:04:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:04:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:04:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:04:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:04:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:04:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:04:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:04:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:04:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:04:29,923 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:04:29,925 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:04:30,430 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:04:30,493 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:04:30,494 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:04:30,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:30 BoogieIcfgContainer [2021-11-23 01:04:30,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:04:30,498 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:04:30,498 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:04:30,508 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:04:30,509 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:30" (1/1) ... [2021-11-23 01:04:30,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:04:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:30,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 86 states and 96 transitions. [2021-11-23 01:04:30,577 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2021-11-23 01:04:30,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:04:30,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:30,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 85 states and 95 transitions. [2021-11-23 01:04:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2021-11-23 01:04:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:04:30,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:30,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:31,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 84 states and 94 transitions. [2021-11-23 01:04:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2021-11-23 01:04:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:04:31,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:31,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 86 states and 96 transitions. [2021-11-23 01:04:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2021-11-23 01:04:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:04:31,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:31,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2021-11-23 01:04:31,751 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2021-11-23 01:04:31,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:04:31,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:31,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:32,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 87 states and 97 transitions. [2021-11-23 01:04:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2021-11-23 01:04:32,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:04:32,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:32,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:34,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 86 states and 96 transitions. [2021-11-23 01:04:34,020 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2021-11-23 01:04:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:04:34,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:34,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:34,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2021-11-23 01:04:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2021-11-23 01:04:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:04:34,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:34,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:34,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:34,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 87 states and 97 transitions. [2021-11-23 01:04:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2021-11-23 01:04:34,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:04:34,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:34,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:34,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:35,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 86 states and 96 transitions. [2021-11-23 01:04:35,780 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2021-11-23 01:04:35,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:04:35,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:35,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 94 states and 107 transitions. [2021-11-23 01:04:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2021-11-23 01:04:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:04:37,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:37,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2021-11-23 01:04:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2021-11-23 01:04:39,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:04:39,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:39,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:40,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 98 states and 113 transitions. [2021-11-23 01:04:40,954 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2021-11-23 01:04:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:04:40,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:40,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:40,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 97 states and 112 transitions. [2021-11-23 01:04:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2021-11-23 01:04:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:04:40,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:40,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:41,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 96 states and 111 transitions. [2021-11-23 01:04:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2021-11-23 01:04:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:04:41,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:41,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 97 states and 112 transitions. [2021-11-23 01:04:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2021-11-23 01:04:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:04:42,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 97 states and 111 transitions. [2021-11-23 01:04:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 111 transitions. [2021-11-23 01:04:45,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:04:45,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:45,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:46,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 91 states and 102 transitions. [2021-11-23 01:04:46,829 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2021-11-23 01:04:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:04:46,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 90 states and 101 transitions. [2021-11-23 01:04:52,757 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 101 transitions. [2021-11-23 01:04:52,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:04:52,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2021-11-23 01:04:52,801 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2021-11-23 01:04:52,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:04:52,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:53,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2021-11-23 01:04:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2021-11-23 01:04:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:04:53,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:53,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:54,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:57,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 87 states and 98 transitions. [2021-11-23 01:04:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2021-11-23 01:04:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:04:57,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:57,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:02,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2021-11-23 01:05:02,679 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2021-11-23 01:05:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:05:02,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:02,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 87 states and 99 transitions. [2021-11-23 01:05:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2021-11-23 01:05:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:05:05,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:05,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:05,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2021-11-23 01:05:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2021-11-23 01:05:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:05:05,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:05,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 87 states and 98 transitions. [2021-11-23 01:05:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2021-11-23 01:05:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:05:09,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:05:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2021-11-23 01:05:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2021-11-23 01:05:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:05:10,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:10,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 87 states and 98 transitions. [2021-11-23 01:05:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2021-11-23 01:05:13,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:05:13,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:13,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2021-11-23 01:05:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2021-11-23 01:05:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:05:16,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:16,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2021-11-23 01:05:19,710 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2021-11-23 01:05:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:05:19,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:19,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:22,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:22,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 90 states and 101 transitions. [2021-11-23 01:05:22,767 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 101 transitions. [2021-11-23 01:05:22,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:05:22,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:22,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:05:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2021-11-23 01:05:28,440 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2021-11-23 01:05:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:05:28,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:28,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:05:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 87 states and 97 transitions. [2021-11-23 01:05:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2021-11-23 01:05:31,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:05:31,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:31,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:31,486 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:05:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2021-11-23 01:05:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2021-11-23 01:05:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:05:33,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:33,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:35,072 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:05:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 84 states and 92 transitions. [2021-11-23 01:05:41,662 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2021-11-23 01:05:41,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:05:41,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:41,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:06:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2021-11-23 01:06:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2021-11-23 01:06:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:06:11,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:11,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:13,134 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:06:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2021-11-23 01:06:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2021-11-23 01:06:48,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:06:48,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:48,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:06:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2021-11-23 01:06:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2021-11-23 01:06:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:06:53,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:53,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:07:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 90 states and 104 transitions. [2021-11-23 01:07:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2021-11-23 01:07:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:07:03,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:03,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:07:05,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 89 states and 103 transitions. [2021-11-23 01:07:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2021-11-23 01:07:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:07:05,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:05,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:07:13,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:13,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 90 states and 104 transitions. [2021-11-23 01:07:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2021-11-23 01:07:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:07:13,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:13,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:07:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 89 states and 103 transitions. [2021-11-23 01:07:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2021-11-23 01:07:13,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:07:13,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:13,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:07:13,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 88 states and 102 transitions. [2021-11-23 01:07:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2021-11-23 01:07:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:07:13,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:13,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:18,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 89 states and 103 transitions. [2021-11-23 01:07:18,269 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2021-11-23 01:07:18,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:07:18,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:18,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:23,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:23,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 90 states and 104 transitions. [2021-11-23 01:07:23,647 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2021-11-23 01:07:23,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:07:23,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:23,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:24,789 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 91 states and 105 transitions. [2021-11-23 01:07:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2021-11-23 01:07:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:07:29,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:29,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:34,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 92 states and 106 transitions. [2021-11-23 01:07:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2021-11-23 01:07:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:07:34,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:34,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 93 states and 107 transitions. [2021-11-23 01:07:39,756 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2021-11-23 01:07:39,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:07:39,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:39,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:45,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:45,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 94 states and 108 transitions. [2021-11-23 01:07:45,090 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2021-11-23 01:07:45,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:07:45,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:45,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 95 states and 109 transitions. [2021-11-23 01:07:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2021-11-23 01:07:50,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:07:50,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:50,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 96 states and 110 transitions. [2021-11-23 01:07:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2021-11-23 01:07:56,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:07:56,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:56,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:57,926 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 97 states and 111 transitions. [2021-11-23 01:08:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 111 transitions. [2021-11-23 01:08:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:08:02,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:02,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 98 states and 112 transitions. [2021-11-23 01:08:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2021-11-23 01:08:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:08:19,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:19,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:40,101 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 15 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 121 states and 142 transitions. [2021-11-23 01:10:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2021-11-23 01:10:26,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:10:26,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:26,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 17 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:45,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2021-11-23 01:11:45,797 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2021-11-23 01:11:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:11:45,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:45,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-23 01:11:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 100 states and 115 transitions. [2021-11-23 01:11:50,861 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2021-11-23 01:11:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:11:50,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:50,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:51,686 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-23 01:11:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 103 states and 120 transitions. [2021-11-23 01:11:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2021-11-23 01:11:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:11:58,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:58,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:26,315 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 56 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:59,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2021-11-23 01:14:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2021-11-23 01:14:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:14:59,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:59,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:01,821 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-23 01:15:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 106 states and 125 transitions. [2021-11-23 01:15:23,638 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2021-11-23 01:15:23,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:15:23,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:23,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-23 01:15:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:45,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 115 states and 137 transitions. [2021-11-23 01:15:45,745 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 137 transitions. [2021-11-23 01:15:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:15:45,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:45,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.