./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-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_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/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_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/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_92bf7b1f-230f-4287-98c6-8a8018635f09/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 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:20:32,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:20:32,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:20:32,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:20:32,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:20:32,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:20:32,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:20:32,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:20:32,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:20:32,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:20:32,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:20:32,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:20:32,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:20:32,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:20:32,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:20:32,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:20:32,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:20:32,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:20:32,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:20:32,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:20:32,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:20:32,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:20:32,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:20:32,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:20:32,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:20:32,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:20:32,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:20:32,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:20:32,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:20:32,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:20:32,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:20:32,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:20:32,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:20:32,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:20:32,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:20:32,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:20:32,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:20:32,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:20:32,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:20:32,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:20:32,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:20:32,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:20:32,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:20:32,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:20:32,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:20:32,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:20:32,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:20:32,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:20:32,691 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:20:32,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:20:32,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:20:32,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:20:32,693 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:20:32,693 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:20:32,693 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:20:32,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:20:32,693 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:20:32,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:20:32,694 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:20:32,694 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:20:32,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:20:32,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:32,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:20:32,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:20:32,695 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:20:32,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:20:32,696 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_92bf7b1f-230f-4287-98c6-8a8018635f09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d [2021-11-23 01:20:33,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:20:33,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:20:33,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:20:33,074 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:20:33,075 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:20:33,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2021-11-23 01:20:33,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/data/508af7f96/80481a9277184588be4130985948ef24/FLAGe8ead72f5 [2021-11-23 01:20:33,807 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:20:33,808 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2021-11-23 01:20:33,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/data/508af7f96/80481a9277184588be4130985948ef24/FLAGe8ead72f5 [2021-11-23 01:20:34,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/data/508af7f96/80481a9277184588be4130985948ef24 [2021-11-23 01:20:34,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:20:34,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:20:34,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:34,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:20:34,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:20:34,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0be3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34, skipping insertion in model container [2021-11-23 01:20:34,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:20:34,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:20:34,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:20:34,617 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:20:34,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:20:34,731 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:20:34,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34 WrapperNode [2021-11-23 01:20:34,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:34,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:20:34,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:20:34,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:20:34,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,816 INFO L137 Inliner]: procedures = 119, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 160 [2021-11-23 01:20:34,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:20:34,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:20:34,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:20:34,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:20:34,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:20:34,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:20:34,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:20:34,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:20:34,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:34" (1/1) ... [2021-11-23 01:20:34,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:34,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:20:34,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:20:34,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bf7b1f-230f-4287-98c6-8a8018635f09/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:20:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:20:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:20:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:20:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:20:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:20:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:20:35,123 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:20:35,125 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:20:35,508 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:20:35,590 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:20:35,593 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 01:20:35,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:35 BoogieIcfgContainer [2021-11-23 01:20:35,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:20:35,598 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:20:35,598 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:20:35,609 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:20:35,609 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:35" (1/1) ... [2021-11-23 01:20:35,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:20:35,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:35,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 60 states and 74 transitions. [2021-11-23 01:20:35,712 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2021-11-23 01:20:35,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:20:35,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:35,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:35,906 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 01:20:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions. [2021-11-23 01:20:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2021-11-23 01:20:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:20:35,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:35,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:36,117 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 01:20:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:36,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2021-11-23 01:20:36,385 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2021-11-23 01:20:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:20:36,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:36,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:36,439 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 01:20:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:36,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2021-11-23 01:20:36,459 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2021-11-23 01:20:36,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:20:36,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:36,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:36,510 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 01:20:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2021-11-23 01:20:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-11-23 01:20:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:20:36,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:36,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:36,845 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 01:20:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 66 states and 87 transitions. [2021-11-23 01:20:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2021-11-23 01:20:37,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:20:37,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:37,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:37,438 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 01:20:37,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:37,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2021-11-23 01:20:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-11-23 01:20:37,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:20:37,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:37,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:38,006 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 01:20:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2021-11-23 01:20:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2021-11-23 01:20:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:20:38,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:38,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:38,773 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 01:20:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:39,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2021-11-23 01:20:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2021-11-23 01:20:39,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:20:39,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:39,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:40,084 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 01:20:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2021-11-23 01:20:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2021-11-23 01:20:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:20:40,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:40,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:40,453 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 01:20:40,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2021-11-23 01:20:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2021-11-23 01:20:40,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:20:40,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:40,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:40,682 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 01:20:40,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:40,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2021-11-23 01:20:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2021-11-23 01:20:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:20:40,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:40,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:40,984 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 01:20:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:41,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-11-23 01:20:41,249 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-11-23 01:20:41,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:20:41,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:41,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:41,287 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 01:20:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2021-11-23 01:20:41,467 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2021-11-23 01:20:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:20:41,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:41,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:43,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2021-11-23 01:20:43,521 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2021-11-23 01:20:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:20:43,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:43,555 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 01:20:43,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2021-11-23 01:20:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2021-11-23 01:20:43,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:20:43,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,053 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 01:20:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2021-11-23 01:20:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2021-11-23 01:20:45,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:20:45,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,136 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 01:20:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2021-11-23 01:20:45,425 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-11-23 01:20:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:20:45,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2021-11-23 01:20:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2021-11-23 01:20:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:20:46,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2021-11-23 01:20:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2021-11-23 01:20:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:20:47,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:47,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:48,072 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 01:20:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:48,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2021-11-23 01:20:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-11-23 01:20:48,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:20:48,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:48,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2021-11-23 01:20:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2021-11-23 01:20:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:20:50,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:50,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:50,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:50,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2021-11-23 01:20:50,933 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2021-11-23 01:20:50,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:20:50,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:50,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:20:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 80 states and 120 transitions. [2021-11-23 01:20:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 120 transitions. [2021-11-23 01:20:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:20:51,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:51,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:20:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2021-11-23 01:20:51,830 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-11-23 01:20:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:20:51,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:51,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2021-11-23 01:20:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2021-11-23 01:20:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:20:52,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:52,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:52,824 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 01:20:53,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 60 states and 75 transitions. [2021-11-23 01:20:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2021-11-23 01:20:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:20:53,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:53,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:57,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2021-11-23 01:20:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2021-11-23 01:20:57,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:20:57,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:57,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:59,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:59,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 60 states and 75 transitions. [2021-11-23 01:20:59,087 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2021-11-23 01:20:59,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:20:59,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:59,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:59,497 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 01:21:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 71 states and 92 transitions. [2021-11-23 01:21:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2021-11-23 01:21:05,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:21:05,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:05,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:08,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:08,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 72 states and 94 transitions. [2021-11-23 01:21:08,958 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2021-11-23 01:21:08,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:21:08,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:08,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:09,005 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 01:21:09,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2021-11-23 01:21:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2021-11-23 01:21:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:21:09,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:09,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:11,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2021-11-23 01:21:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2021-11-23 01:21:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:21:18,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:18,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:18,718 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 01:21:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:23,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2021-11-23 01:21:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2021-11-23 01:21:23,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:23,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:23,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:28,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:28,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2021-11-23 01:21:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2021-11-23 01:21:28,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:28,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:28,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:21:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:32,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2021-11-23 01:21:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2021-11-23 01:21:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:32,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:32,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:21:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2021-11-23 01:21:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2021-11-23 01:21:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:33,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:33,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:21:34,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:34,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2021-11-23 01:21:34,678 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2021-11-23 01:21:34,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:34,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:34,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2021-11-23 01:21:39,904 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2021-11-23 01:21:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:39,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:39,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 98 states and 141 transitions. [2021-11-23 01:21:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 141 transitions. [2021-11-23 01:21:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:55,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:55,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 106 states and 160 transitions. [2021-11-23 01:22:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 160 transitions. [2021-11-23 01:22:12,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:22:12,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:12,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:22:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:16,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 98 states and 148 transitions. [2021-11-23 01:22:16,726 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 148 transitions. [2021-11-23 01:22:16,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:22:16,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:16,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:22:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 98 states and 147 transitions. [2021-11-23 01:22:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2021-11-23 01:22:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:22:17,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:17,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:22:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 100 states and 152 transitions. [2021-11-23 01:22:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 152 transitions. [2021-11-23 01:22:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:22:20,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:20,868 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:22:26,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 100 states and 151 transitions. [2021-11-23 01:22:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2021-11-23 01:22:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:22:26,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:26,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:22:30,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:30,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 156 transitions. [2021-11-23 01:22:30,127 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2021-11-23 01:22:30,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:30,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:30,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:30,176 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 01:22:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 109 states and 170 transitions. [2021-11-23 01:22:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 170 transitions. [2021-11-23 01:22:36,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:36,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:36,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:47,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:47,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 111 states and 173 transitions. [2021-11-23 01:22:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2021-11-23 01:22:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:47,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:47,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:22:50,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 112 states and 175 transitions. [2021-11-23 01:22:50,120 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 175 transitions. [2021-11-23 01:22:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:50,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:50,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:53,158 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 01:23:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 129 states and 207 transitions. [2021-11-23 01:23:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 207 transitions. [2021-11-23 01:23:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:23:23,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:23,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:23:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 131 states and 210 transitions. [2021-11-23 01:23:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 210 transitions. [2021-11-23 01:23:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:23:26,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:26,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:26,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:23:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:29,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 133 states and 213 transitions. [2021-11-23 01:23:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 213 transitions. [2021-11-23 01:23:29,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:23:29,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:29,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:29,607 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 130 states and 206 transitions. [2021-11-23 01:23:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 206 transitions. [2021-11-23 01:23:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:23:31,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:31,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:31,440 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:39,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 127 states and 199 transitions. [2021-11-23 01:23:39,211 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 199 transitions. [2021-11-23 01:23:39,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:23:39,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:39,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:39,232 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:42,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 126 states and 195 transitions. [2021-11-23 01:23:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2021-11-23 01:23:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:23:42,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:42,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:42,941 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:45,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 125 states and 192 transitions. [2021-11-23 01:23:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 192 transitions. [2021-11-23 01:23:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:23:45,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:45,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:45,554 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:47,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 125 states and 191 transitions. [2021-11-23 01:23:47,512 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 191 transitions. [2021-11-23 01:23:47,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:47,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:47,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:23:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 125 states and 190 transitions. [2021-11-23 01:23:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 190 transitions. [2021-11-23 01:23:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:49,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:49,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:24:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 135 states and 211 transitions. [2021-11-23 01:24:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 211 transitions. [2021-11-23 01:24:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:24:19,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:19,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:22,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:24:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 145 states and 239 transitions. [2021-11-23 01:24:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 239 transitions. [2021-11-23 01:24:59,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:24:59,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:59,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:25:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 152 states and 256 transitions. [2021-11-23 01:25:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 256 transitions. [2021-11-23 01:25:23,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:25:23,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:23,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:25:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 155 states and 260 transitions. [2021-11-23 01:25:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 260 transitions. [2021-11-23 01:25:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:25:24,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:24,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:25:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 158 states and 265 transitions. [2021-11-23 01:25:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 265 transitions. [2021-11-23 01:25:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:25:27,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:27,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:27,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:25:31,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:31,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 160 states and 268 transitions. [2021-11-23 01:25:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 268 transitions. [2021-11-23 01:25:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:25:31,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:31,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:25:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 162 states and 271 transitions. [2021-11-23 01:25:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 271 transitions. [2021-11-23 01:25:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:25:51,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:51,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:51,119 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:25:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:53,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 162 states and 270 transitions. [2021-11-23 01:25:53,590 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 270 transitions. [2021-11-23 01:25:53,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:25:53,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:53,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:26:11,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 174 states and 296 transitions. [2021-11-23 01:26:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 296 transitions. [2021-11-23 01:26:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:26:11,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:12,264 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:26:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 186 states and 322 transitions. [2021-11-23 01:26:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 322 transitions. [2021-11-23 01:26:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:26:32,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:32,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:32,734 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:26:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 189 states and 330 transitions. [2021-11-23 01:26:45,225 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 330 transitions. [2021-11-23 01:26:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:26:45,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:45,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:26:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 191 states and 336 transitions. [2021-11-23 01:26:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 336 transitions. [2021-11-23 01:26:51,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:26:51,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:51,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:27:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 193 states and 339 transitions. [2021-11-23 01:27:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 339 transitions. [2021-11-23 01:27:08,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:27:08,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,152 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:27:11,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 194 states and 340 transitions. [2021-11-23 01:27:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 340 transitions. [2021-11-23 01:27:11,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:27:11,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:11,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:11,476 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:27:16,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 196 states and 343 transitions. [2021-11-23 01:27:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 343 transitions. [2021-11-23 01:27:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:27:16,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:16,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:27:36,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 202 states and 356 transitions. [2021-11-23 01:27:36,495 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 356 transitions. [2021-11-23 01:27:36,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:27:36,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:27:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:41,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 204 states and 359 transitions. [2021-11-23 01:27:41,717 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 359 transitions. [2021-11-23 01:27:41,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:27:41,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:41,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:27:44,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:44,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 205 states and 360 transitions. [2021-11-23 01:27:44,385 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 360 transitions. [2021-11-23 01:27:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:27:44,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:44,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:28:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 216 states and 390 transitions. [2021-11-23 01:28:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 390 transitions. [2021-11-23 01:28:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:28:29,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:29,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:28:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 216 states and 389 transitions. [2021-11-23 01:28:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 389 transitions. [2021-11-23 01:28:32,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:28:32,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:32,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:28:36,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 218 states and 393 transitions. [2021-11-23 01:28:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 393 transitions. [2021-11-23 01:28:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:28:36,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:28:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:43,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 221 states and 398 transitions. [2021-11-23 01:28:43,378 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 398 transitions. [2021-11-23 01:28:43,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:28:43,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:43,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:43,397 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 01:28:43,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:43,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 222 states and 399 transitions. [2021-11-23 01:28:43,414 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 399 transitions. [2021-11-23 01:28:43,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:28:43,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:43,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:44,417 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 01:28:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 223 states and 400 transitions. [2021-11-23 01:28:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 400 transitions. [2021-11-23 01:28:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:28:47,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:47,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 242 states and 443 transitions. [2021-11-23 01:30:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 443 transitions. [2021-11-23 01:30:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:30:03,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:03,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:30:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:10,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 244 states and 446 transitions. [2021-11-23 01:30:10,156 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 446 transitions. [2021-11-23 01:30:10,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:30:10,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:10,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:30:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:13,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 241 states and 437 transitions. [2021-11-23 01:30:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 437 transitions. [2021-11-23 01:30:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:30:13,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:13,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:30:36,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:36,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 243 states and 441 transitions. [2021-11-23 01:30:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 441 transitions. [2021-11-23 01:30:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:30:36,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:36,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:31:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 250 states and 455 transitions. [2021-11-23 01:31:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 455 transitions. [2021-11-23 01:31:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:31:37,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:37,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:31:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 252 states and 457 transitions. [2021-11-23 01:31:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 457 transitions. [2021-11-23 01:31:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:31:40,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:40,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:31:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 255 states and 463 transitions. [2021-11-23 01:31:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 463 transitions. [2021-11-23 01:31:48,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:31:48,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:48,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:05,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 258 states and 470 transitions. [2021-11-23 01:32:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 470 transitions. [2021-11-23 01:32:05,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:32:05,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:05,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:32:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 258 states and 469 transitions. [2021-11-23 01:32:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 469 transitions. [2021-11-23 01:32:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:32:08,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:08,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:08,818 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:32:11,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 256 states and 466 transitions. [2021-11-23 01:32:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 466 transitions. [2021-11-23 01:32:11,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:32:11,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:11,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 258 states and 469 transitions. [2021-11-23 01:32:24,309 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 469 transitions. [2021-11-23 01:32:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:32:24,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:24,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 01:32:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 260 states and 472 transitions. [2021-11-23 01:32:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 472 transitions. [2021-11-23 01:32:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:32:31,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:31,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.