./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-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_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/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_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/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_c56b88aa-3404-4860-a550-35686689d150/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 57855fd15a600148bf8b2d693e60ae0827a95c157ed69e07e1c42c75fda7c9c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:22:57,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:22:57,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:22:57,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:22:57,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:22:57,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:22:57,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:22:57,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:22:57,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:22:57,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:22:57,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:22:57,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:22:57,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:22:57,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:22:57,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:22:57,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:22:57,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:22:57,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:22:57,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:22:57,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:22:57,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:22:57,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:22:57,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:22:57,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:22:57,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:22:57,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:22:57,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:22:57,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:22:57,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:22:57,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:22:57,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:22:57,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:22:57,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:22:57,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:22:57,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:22:57,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:22:57,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:22:57,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:22:57,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:22:57,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:22:57,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:22:57,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:22:57,726 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:22:57,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:22:57,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:22:57,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:22:57,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:22:57,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:22:57,730 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:22:57,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:22:57,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:22:57,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:22:57,738 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:22:57,738 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:22:57,738 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:22:57,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:22:57,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:22:57,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:22:57,739 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:22:57,740 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:22:57,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:22:57,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:22:57,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:22:57,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:22:57,741 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:22:57,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:22:57,741 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_c56b88aa-3404-4860-a550-35686689d150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57855fd15a600148bf8b2d693e60ae0827a95c157ed69e07e1c42c75fda7c9c4 [2021-11-23 00:22:57,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:22:58,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:22:58,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:22:58,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:22:58,010 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:22:58,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2021-11-23 00:22:58,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/data/cf3e617b8/7ca224a077e74e1d9a591f71b7bcbde9/FLAG0aaa67ea6 [2021-11-23 00:22:58,570 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:22:58,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2021-11-23 00:22:58,592 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/data/cf3e617b8/7ca224a077e74e1d9a591f71b7bcbde9/FLAG0aaa67ea6 [2021-11-23 00:22:58,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/data/cf3e617b8/7ca224a077e74e1d9a591f71b7bcbde9 [2021-11-23 00:22:58,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:22:58,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:22:58,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:22:58,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:22:58,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:22:58,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:58" (1/1) ... [2021-11-23 00:22:58,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a42d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:58, skipping insertion in model container [2021-11-23 00:22:58,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:58" (1/1) ... [2021-11-23 00:22:58,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:22:58,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:22:59,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:22:59,279 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:22:59,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:22:59,402 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:22:59,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59 WrapperNode [2021-11-23 00:22:59,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:22:59,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:22:59,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:22:59,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:22:59,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,457 INFO L137 Inliner]: procedures = 117, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2021-11-23 00:22:59,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:22:59,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:22:59,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:22:59,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:22:59,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:22:59,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:22:59,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:22:59,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:22:59,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:22:59,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:22:59,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:22:59,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56b88aa-3404-4860-a550-35686689d150/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:22:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:22:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:22:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:22:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:22:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:22:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:22:59,675 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:22:59,676 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:22:59,884 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:22:59,966 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:22:59,966 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:22:59,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:59 BoogieIcfgContainer [2021-11-23 00:22:59,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:22:59,969 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:22:59,969 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:22:59,981 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:22:59,981 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:59" (1/1) ... [2021-11-23 00:22:59,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:23:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2021-11-23 00:23:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-11-23 00:23:00,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:23:00,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:00,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:00,182 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 00:23:00,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:00,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2021-11-23 00:23:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-11-23 00:23:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:23:00,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:00,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:00,348 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 00:23:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:00,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2021-11-23 00:23:00,482 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-11-23 00:23:00,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:23:00,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:00,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:00,575 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 00:23:00,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-23 00:23:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-23 00:23:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:23:00,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:00,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:00,742 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 00:23:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:01,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2021-11-23 00:23:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-11-23 00:23:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:23:01,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:01,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:01,191 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 00:23:01,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2021-11-23 00:23:01,397 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-11-23 00:23:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:23:01,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:01,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2021-11-23 00:23:01,879 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-11-23 00:23:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:01,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:01,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:02,061 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 00:23:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2021-11-23 00:23:02,415 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-23 00:23:02,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:02,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:02,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:02,538 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 00:23:02,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:02,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2021-11-23 00:23:02,808 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2021-11-23 00:23:02,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:02,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:02,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:03,025 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 00:23:03,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2021-11-23 00:23:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2021-11-23 00:23:03,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:23:03,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:03,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:03,913 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 00:23:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:05,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2021-11-23 00:23:05,256 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2021-11-23 00:23:05,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:23:05,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:05,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:05,559 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 00:23:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2021-11-23 00:23:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2021-11-23 00:23:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:23:07,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:07,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:08,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2021-11-23 00:23:08,176 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2021-11-23 00:23:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:23:08,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:08,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:08,241 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 00:23:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:08,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2021-11-23 00:23:08,997 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2021-11-23 00:23:08,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:23:08,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:08,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:09,078 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 00:23:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2021-11-23 00:23:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2021-11-23 00:23:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:23:09,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:09,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:10,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:10,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2021-11-23 00:23:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2021-11-23 00:23:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:23:10,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:10,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:10,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2021-11-23 00:23:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2021-11-23 00:23:11,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:23:11,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:11,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:12,002 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 00:23:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2021-11-23 00:23:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-11-23 00:23:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:23:14,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:14,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:14,836 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 00:23:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:16,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2021-11-23 00:23:16,191 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2021-11-23 00:23:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:23:16,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:16,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:17,362 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 00:23:23,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:23,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 96 transitions. [2021-11-23 00:23:23,294 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2021-11-23 00:23:23,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:23:23,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:23,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:24,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:24,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 86 transitions. [2021-11-23 00:23:24,101 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2021-11-23 00:23:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:23:24,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:24,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 81 transitions. [2021-11-23 00:23:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2021-11-23 00:23:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:23:24,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:24,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:25,191 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 00:23:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:32,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 104 transitions. [2021-11-23 00:23:32,225 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 104 transitions. [2021-11-23 00:23:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:23:32,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:32,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:32,263 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 00:23:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 71 states and 121 transitions. [2021-11-23 00:23:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 121 transitions. [2021-11-23 00:23:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:23:37,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:37,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:38,848 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 00:23:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 78 states and 132 transitions. [2021-11-23 00:23:46,389 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 132 transitions. [2021-11-23 00:23:46,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:23:46,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:46,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 81 states and 137 transitions. [2021-11-23 00:23:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 137 transitions. [2021-11-23 00:23:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:49,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:49,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:51,907 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 00:24:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:02,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 88 states and 154 transitions. [2021-11-23 00:24:02,299 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 154 transitions. [2021-11-23 00:24:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:24:02,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:02,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:24:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:07,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 93 states and 163 transitions. [2021-11-23 00:24:07,159 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 163 transitions. [2021-11-23 00:24:07,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:24:07,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:07,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:24:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:19,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 101 states and 177 transitions. [2021-11-23 00:24:19,993 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 177 transitions. [2021-11-23 00:24:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:24:19,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:19,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 102 states and 177 transitions. [2021-11-23 00:24:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 177 transitions. [2021-11-23 00:24:21,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:24:21,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:21,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:24:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 97 states and 168 transitions. [2021-11-23 00:24:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 168 transitions. [2021-11-23 00:24:22,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:24:22,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:22,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:24,490 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 97 states and 167 transitions. [2021-11-23 00:24:28,743 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 167 transitions. [2021-11-23 00:24:28,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:28,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:28,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 98 states and 171 transitions. [2021-11-23 00:24:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 171 transitions. [2021-11-23 00:24:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:30,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:30,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:33,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 109 states and 195 transitions. [2021-11-23 00:24:54,292 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 195 transitions. [2021-11-23 00:24:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:54,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:54,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:25:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 120 states and 231 transitions. [2021-11-23 00:25:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 231 transitions. [2021-11-23 00:25:20,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:25:20,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:20,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:20,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:25:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 125 states and 244 transitions. [2021-11-23 00:25:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 244 transitions. [2021-11-23 00:25:28,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:25:28,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:28,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:25:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 126 states and 245 transitions. [2021-11-23 00:25:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 245 transitions. [2021-11-23 00:25:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:25:29,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:29,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:25:32,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:32,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 127 states and 248 transitions. [2021-11-23 00:25:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 248 transitions. [2021-11-23 00:25:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:25:32,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:32,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:25:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 129 states and 251 transitions. [2021-11-23 00:25:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 251 transitions. [2021-11-23 00:25:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:25:41,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:41,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:25:49,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 133 states and 263 transitions. [2021-11-23 00:25:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 263 transitions. [2021-11-23 00:25:49,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:25:49,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:49,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:25:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 134 states and 264 transitions. [2021-11-23 00:25:51,835 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 264 transitions. [2021-11-23 00:25:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:25:51,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:51,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:25:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:54,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 136 states and 268 transitions. [2021-11-23 00:25:54,422 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 268 transitions. [2021-11-23 00:25:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:25:54,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:54,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:56,788 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 144 states and 294 transitions. [2021-11-23 00:26:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 294 transitions. [2021-11-23 00:26:19,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:26:19,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:19,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:26:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:24,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 147 states and 298 transitions. [2021-11-23 00:26:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 298 transitions. [2021-11-23 00:26:24,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:26:24,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:24,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:26:26,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:26,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 147 states and 297 transitions. [2021-11-23 00:26:26,203 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 297 transitions. [2021-11-23 00:26:26,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:26:26,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:26,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 157 states and 326 transitions. [2021-11-23 00:26:56,225 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 326 transitions. [2021-11-23 00:26:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:26:56,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:56,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:27:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 165 states and 346 transitions. [2021-11-23 00:27:19,416 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 346 transitions. [2021-11-23 00:27:19,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:27:19,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:19,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:27:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 165 states and 345 transitions. [2021-11-23 00:27:22,044 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 345 transitions. [2021-11-23 00:27:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:27:22,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:22,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 181 states and 389 transitions. [2021-11-23 00:28:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 389 transitions. [2021-11-23 00:28:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:28:21,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:21,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:55,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 190 states and 411 transitions. [2021-11-23 00:28:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 411 transitions. [2021-11-23 00:28:55,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:28:55,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:28:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 191 states and 412 transitions. [2021-11-23 00:28:58,260 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 412 transitions. [2021-11-23 00:28:58,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:28:58,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:29:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 192 states and 412 transitions. [2021-11-23 00:29:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 412 transitions. [2021-11-23 00:29:00,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:29:00,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 200 states and 430 transitions. [2021-11-23 00:29:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 430 transitions. [2021-11-23 00:29:44,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:29:44,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:44,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:30:05,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 204 states and 442 transitions. [2021-11-23 00:30:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 442 transitions. [2021-11-23 00:30:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:30:05,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:05,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:30:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 205 states and 443 transitions. [2021-11-23 00:30:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 443 transitions. [2021-11-23 00:30:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:30:09,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:09,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:30:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:38,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 211 states and 473 transitions. [2021-11-23 00:30:38,025 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 473 transitions. [2021-11-23 00:30:38,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:30:38,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:38,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:30:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 212 states and 474 transitions. [2021-11-23 00:30:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 474 transitions. [2021-11-23 00:30:41,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:30:41,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:41,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:37,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 224 states and 504 transitions. [2021-11-23 00:31:37,582 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 504 transitions. [2021-11-23 00:31:37,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:31:37,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:37,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:37,761 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 233 states and 527 transitions. [2021-11-23 00:32:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 527 transitions. [2021-11-23 00:32:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:32:06,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:06,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 00:32:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:15,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 236 states and 531 transitions. [2021-11-23 00:32:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 531 transitions. [2021-11-23 00:32:15,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:32:15,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:15,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 244 states and 554 transitions. [2021-11-23 00:33:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 554 transitions. [2021-11-23 00:33:12,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:33:12,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:12,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 245 states and 556 transitions. [2021-11-23 00:33:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 556 transitions. [2021-11-23 00:33:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:33:16,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:16,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 252 states and 574 transitions. [2021-11-23 00:33:44,540 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 574 transitions. [2021-11-23 00:33:44,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:33:44,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:44,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 49 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 261 states and 595 transitions. [2021-11-23 00:34:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 595 transitions. [2021-11-23 00:34:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:34:27,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:27,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 49 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 270 states and 616 transitions. [2021-11-23 00:34:59,192 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 616 transitions. [2021-11-23 00:34:59,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:59,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:59,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat