./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/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_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/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_598dc8e9-af56-4b70-aa2c-fa437d5fb579/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 e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:34:32,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:34:32,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:34:32,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:34:32,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:34:32,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:34:32,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:34:32,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:34:32,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:34:32,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:34:32,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:34:32,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:34:32,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:34:32,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:34:32,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:34:32,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:34:32,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:34:32,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:34:32,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:34:32,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:34:32,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:34:32,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:34:32,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:34:32,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:34:32,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:34:32,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:34:32,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:34:32,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:34:32,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:34:32,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:34:32,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:34:32,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:34:32,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:34:32,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:34:32,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:34:32,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:34:32,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:34:32,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:34:32,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:34:32,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:34:32,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:34:32,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:34:32,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:34:32,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:34:32,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:34:32,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:34:32,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:34:32,774 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:34:32,774 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:34:32,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:34:32,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:34:32,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:34:32,784 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:34:32,784 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:34:32,784 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:34:32,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:34:32,785 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:34:32,785 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:34:32,785 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:34:32,785 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:34:32,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:34:32,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:32,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:34:32,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:34:32,787 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:34:32,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:34:32,787 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_598dc8e9-af56-4b70-aa2c-fa437d5fb579/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 [2021-11-23 01:34:33,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:34:33,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:34:33,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:34:33,143 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:34:33,145 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:34:33,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2021-11-23 01:34:33,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/data/f374c181a/9a5c8572390a4b93b437301db014de3f/FLAGdbc69332f [2021-11-23 01:34:33,761 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:34:33,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2021-11-23 01:34:33,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/data/f374c181a/9a5c8572390a4b93b437301db014de3f/FLAGdbc69332f [2021-11-23 01:34:34,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/data/f374c181a/9a5c8572390a4b93b437301db014de3f [2021-11-23 01:34:34,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:34:34,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:34:34,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:34,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:34:34,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:34:34,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189a28b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34, skipping insertion in model container [2021-11-23 01:34:34,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:34:34,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:34:34,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:34,461 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:34:34,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:34,526 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:34:34,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34 WrapperNode [2021-11-23 01:34:34,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:34,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:34,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:34:34,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:34:34,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,572 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2021-11-23 01:34:34,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:34,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:34:34,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:34:34,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:34:34,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:34:34,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:34:34,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:34:34,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:34:34,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:34" (1/1) ... [2021-11-23 01:34:34,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:34,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:34:34,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:34:34,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598dc8e9-af56-4b70-aa2c-fa437d5fb579/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:34:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:34:34,781 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:34:34,782 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:34:35,074 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:34:35,164 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:34:35,164 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:34:35,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:35 BoogieIcfgContainer [2021-11-23 01:34:35,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:34:35,169 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:34:35,169 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:34:35,184 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:34:35,185 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:35" (1/1) ... [2021-11-23 01:34:35,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:34:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2021-11-23 01:34:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2021-11-23 01:34:35,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:34:35,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:35,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:35,473 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 01:34:35,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2021-11-23 01:34:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2021-11-23 01:34:35,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:34:35,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:35,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:35,696 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 01:34:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:35,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-11-23 01:34:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-11-23 01:34:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:34:35,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:35,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:35,998 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 01:34:36,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2021-11-23 01:34:36,021 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2021-11-23 01:34:36,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:34:36,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:36,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:36,152 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 01:34:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:36,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2021-11-23 01:34:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2021-11-23 01:34:36,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:34:36,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:36,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:36,459 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 01:34:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2021-11-23 01:34:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2021-11-23 01:34:36,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:34:36,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:36,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:36,869 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 01:34:37,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:37,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2021-11-23 01:34:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2021-11-23 01:34:37,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:34:37,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:37,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:37,597 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 01:34:38,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2021-11-23 01:34:38,265 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2021-11-23 01:34:38,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:34:38,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:38,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:38,282 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 01:34:38,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:38,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2021-11-23 01:34:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2021-11-23 01:34:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:34:38,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:38,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:38,371 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 01:34:39,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 88 transitions. [2021-11-23 01:34:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2021-11-23 01:34:39,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:34:39,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:39,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:39,247 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 01:34:39,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2021-11-23 01:34:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2021-11-23 01:34:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:34:39,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:39,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:39,712 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 01:34:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:40,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2021-11-23 01:34:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2021-11-23 01:34:40,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:34:40,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:40,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:40,328 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 01:34:40,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:40,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2021-11-23 01:34:40,663 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2021-11-23 01:34:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:34:40,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:40,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:40,741 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 01:34:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 99 transitions. [2021-11-23 01:34:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2021-11-23 01:34:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:34:40,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:40,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:41,166 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 01:34:42,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 112 transitions. [2021-11-23 01:34:42,115 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2021-11-23 01:34:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:34:42,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:42,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:42,324 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 01:34:42,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 66 states and 126 transitions. [2021-11-23 01:34:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2021-11-23 01:34:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:34:42,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:42,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:43,182 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 01:34:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 61 states and 110 transitions. [2021-11-23 01:34:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2021-11-23 01:34:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:34:43,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:43,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:43,583 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 01:34:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 62 states and 112 transitions. [2021-11-23 01:34:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2021-11-23 01:34:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:34:44,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:44,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:44,218 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 01:34:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 64 states and 116 transitions. [2021-11-23 01:34:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 116 transitions. [2021-11-23 01:34:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:34:44,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:44,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:44,948 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 01:34:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:46,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 69 states and 127 transitions. [2021-11-23 01:34:46,375 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2021-11-23 01:34:46,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:34:46,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:46,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:46,618 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 01:34:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 70 states and 130 transitions. [2021-11-23 01:34:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 130 transitions. [2021-11-23 01:34:47,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:34:47,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:47,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:47,115 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 01:34:47,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 123 transitions. [2021-11-23 01:34:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 123 transitions. [2021-11-23 01:34:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:34:47,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:47,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:47,416 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 01:34:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 66 states and 119 transitions. [2021-11-23 01:34:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 119 transitions. [2021-11-23 01:34:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:34:47,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:47,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:48,307 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 01:34:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 71 states and 135 transitions. [2021-11-23 01:34:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2021-11-23 01:34:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:34:51,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:51,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:51,229 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 01:34:52,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 73 states and 139 transitions. [2021-11-23 01:34:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 139 transitions. [2021-11-23 01:34:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:34:52,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:52,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:52,526 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 01:34:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2021-11-23 01:34:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2021-11-23 01:34:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:34:54,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:54,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:54,378 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 01:34:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 78 states and 155 transitions. [2021-11-23 01:34:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 155 transitions. [2021-11-23 01:34:55,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:34:55,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:55,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:55,339 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 01:34:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:55,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2021-11-23 01:34:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2021-11-23 01:34:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:34:55,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:55,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:34:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2021-11-23 01:34:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2021-11-23 01:34:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:34:56,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:56,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:56,275 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 01:34:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:56,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2021-11-23 01:34:56,767 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2021-11-23 01:34:56,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:34:56,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:56,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:58,578 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 01:35:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:02,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2021-11-23 01:35:02,542 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2021-11-23 01:35:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:02,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:02,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:02,715 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 01:35:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 70 transitions. [2021-11-23 01:35:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2021-11-23 01:35:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:03,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:03,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:03,618 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 01:35:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2021-11-23 01:35:04,878 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-11-23 01:35:04,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:04,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:04,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:04,895 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 01:35:04,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2021-11-23 01:35:04,903 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2021-11-23 01:35:04,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:04,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:04,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:05,011 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 01:35:05,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2021-11-23 01:35:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-11-23 01:35:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:05,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:05,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:05,076 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 01:35:07,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2021-11-23 01:35:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2021-11-23 01:35:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:35:07,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,362 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 01:35:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 71 transitions. [2021-11-23 01:35:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-11-23 01:35:08,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:35:08,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:08,996 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 01:35:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2021-11-23 01:35:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2021-11-23 01:35:13,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:13,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:13,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:14,602 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 01:35:16,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2021-11-23 01:35:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2021-11-23 01:35:16,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:16,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:16,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:16,710 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 01:35:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2021-11-23 01:35:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2021-11-23 01:35:19,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:19,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:19,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:19,228 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 01:35:20,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2021-11-23 01:35:20,078 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2021-11-23 01:35:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:20,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:20,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:20,098 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 01:35:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:20,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2021-11-23 01:35:20,894 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2021-11-23 01:35:20,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:20,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:20,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:22,105 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 01:35:31,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2021-11-23 01:35:31,494 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2021-11-23 01:35:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:31,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:31,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:33,344 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 01:35:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 89 transitions. [2021-11-23 01:35:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2021-11-23 01:35:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:35:38,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:38,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:39,079 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 01:35:40,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:40,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2021-11-23 01:35:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2021-11-23 01:35:40,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:35:40,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:40,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:40,341 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 01:35:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2021-11-23 01:35:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2021-11-23 01:35:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:35:44,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:44,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:46,465 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 01:35:56,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2021-11-23 01:35:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2021-11-23 01:35:56,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:35:56,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,523 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 01:36:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2021-11-23 01:36:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2021-11-23 01:36:04,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:36:04,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:04,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:09,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2021-11-23 01:36:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2021-11-23 01:36:09,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:36:09,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:09,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:10,081 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 01:36:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:13,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2021-11-23 01:36:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2021-11-23 01:36:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:36:13,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:13,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:13,563 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 01:36:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 79 states and 121 transitions. [2021-11-23 01:36:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2021-11-23 01:36:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:36:18,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:26,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2021-11-23 01:36:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2021-11-23 01:36:26,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:36:26,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:26,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 82 states and 125 transitions. [2021-11-23 01:36:27,727 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2021-11-23 01:36:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:36:27,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:27,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:31,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2021-11-23 01:36:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2021-11-23 01:36:31,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:36:31,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:31,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:32,897 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 01:36:43,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:43,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2021-11-23 01:36:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2021-11-23 01:36:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:36:43,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:43,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:43,282 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 01:36:46,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:46,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 92 states and 151 transitions. [2021-11-23 01:36:46,214 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2021-11-23 01:36:46,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:36:46,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:46,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:19,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 109 states and 189 transitions. [2021-11-23 01:37:19,691 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2021-11-23 01:37:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:37:19,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:19,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 216 transitions. [2021-11-23 01:37:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 216 transitions. [2021-11-23 01:37:58,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:37:58,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:58,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:01,139 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 216 transitions. [2021-11-23 01:38:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2021-11-23 01:38:05,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:38:05,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:05,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:38:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 127 states and 220 transitions. [2021-11-23 01:38:12,461 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 220 transitions. [2021-11-23 01:38:12,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:38:12,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:12,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:38:34,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 135 states and 236 transitions. [2021-11-23 01:38:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 236 transitions. [2021-11-23 01:38:34,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:38:34,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:34,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:34,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:38:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 138 states and 239 transitions. [2021-11-23 01:38:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 239 transitions. [2021-11-23 01:38:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:38:40,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:40,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:39:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 144 states and 253 transitions. [2021-11-23 01:39:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 253 transitions. [2021-11-23 01:39:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:39:13,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:13,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:21,559 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:39:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 150 states and 267 transitions. [2021-11-23 01:39:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 267 transitions. [2021-11-23 01:39:42,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:39:42,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:42,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:40:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 158 states and 284 transitions. [2021-11-23 01:40:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 284 transitions. [2021-11-23 01:40:00,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:40:00,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:00,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:40:26,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 164 states and 295 transitions. [2021-11-23 01:40:26,347 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 295 transitions. [2021-11-23 01:40:26,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:40:26,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:26,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:26,462 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:40:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 170 states and 312 transitions. [2021-11-23 01:40:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 312 transitions. [2021-11-23 01:40:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:40:43,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:43,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:13,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:13,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 177 states and 321 transitions. [2021-11-23 01:41:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 321 transitions. [2021-11-23 01:41:13,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:41:13,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:13,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:29,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 184 states and 333 transitions. [2021-11-23 01:41:29,681 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 333 transitions. [2021-11-23 01:41:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:41:29,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:29,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 193 states and 347 transitions. [2021-11-23 01:41:57,424 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 347 transitions. [2021-11-23 01:41:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:41:57,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:57,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:43:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 219 states and 410 transitions. [2021-11-23 01:43:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 410 transitions. [2021-11-23 01:43:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:43:23,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:23,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:37,112 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 239 states and 456 transitions. [2021-11-23 01:44:49,946 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 456 transitions. [2021-11-23 01:44:49,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:44:49,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:49,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:13,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 247 states and 478 transitions. [2021-11-23 01:45:13,814 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 478 transitions. [2021-11-23 01:45:13,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:45:13,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:13,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:45:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 254 states and 494 transitions. [2021-11-23 01:45:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 494 transitions. [2021-11-23 01:45:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:45:33,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 261 states and 521 transitions. [2021-11-23 01:45:56,288 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 521 transitions. [2021-11-23 01:45:56,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:45:56,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:56,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:46:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:16,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 268 states and 539 transitions. [2021-11-23 01:46:16,708 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 539 transitions. [2021-11-23 01:46:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:46:16,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:16,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:46:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:37,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 275 states and 555 transitions. [2021-11-23 01:46:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 555 transitions. [2021-11-23 01:46:37,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:46:37,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:37,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:38,128 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.