./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.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_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/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_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/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_2b44415a-703f-4e96-93d6-3f3b529765f5/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 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:08:14,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:08:14,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:08:14,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:08:14,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:08:14,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:08:14,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:08:14,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:08:14,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:08:14,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:08:14,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:08:14,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:08:14,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:08:14,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:08:14,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:08:14,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:08:14,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:08:14,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:08:14,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:08:14,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:08:14,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:08:14,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:08:14,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:08:14,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:08:14,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:08:14,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:08:14,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:08:14,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:08:14,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:08:14,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:08:14,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:08:14,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:08:14,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:08:14,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:08:14,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:08:14,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:08:14,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:08:14,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:08:14,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:08:14,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:08:14,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:08:14,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:08:14,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:08:14,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:08:14,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:08:14,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:08:14,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:08:14,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:08:14,202 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:08:14,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:08:14,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:08:14,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:08:14,203 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:08:14,203 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:08:14,203 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:08:14,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:08:14,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:08:14,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:08:14,204 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:08:14,204 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:08:14,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:08:14,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:08:14,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:08:14,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:08:14,206 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:08:14,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:08:14,206 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_2b44415a-703f-4e96-93d6-3f3b529765f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd [2021-11-23 01:08:14,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:08:14,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:08:14,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:08:14,486 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:08:14,487 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:08:14,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-11-23 01:08:14,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/data/4d6f332f0/4cfcc38bfa254439b3c0bb2bc3e81e69/FLAGe87114570 [2021-11-23 01:08:15,069 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:08:15,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-11-23 01:08:15,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/data/4d6f332f0/4cfcc38bfa254439b3c0bb2bc3e81e69/FLAGe87114570 [2021-11-23 01:08:15,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/data/4d6f332f0/4cfcc38bfa254439b3c0bb2bc3e81e69 [2021-11-23 01:08:15,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:08:15,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:08:15,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:08:15,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:08:15,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:08:15,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eafddf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15, skipping insertion in model container [2021-11-23 01:08:15,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:08:15,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:08:15,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:08:15,832 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:08:15,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:08:15,897 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:08:15,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15 WrapperNode [2021-11-23 01:08:15,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:08:15,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:08:15,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:08:15,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:08:15,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,944 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2021-11-23 01:08:15,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:08:15,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:08:15,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:08:15,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:08:15,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:08:15,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:08:15,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:08:15,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:08:15,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:15" (1/1) ... [2021-11-23 01:08:15,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:08:15,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:08:16,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:08:16,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b44415a-703f-4e96-93d6-3f3b529765f5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:08:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:08:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:08:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:08:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:08:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:08:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:08:16,210 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:08:16,212 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:08:16,471 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:08:16,516 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:08:16,517 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:08:16,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:16 BoogieIcfgContainer [2021-11-23 01:08:16,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:08:16,525 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:08:16,525 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:08:16,538 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:08:16,539 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:16" (1/1) ... [2021-11-23 01:08:16,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:08:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:16,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2021-11-23 01:08:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-11-23 01:08:16,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:08:16,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:16,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:16,853 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 01:08:16,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:16,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2021-11-23 01:08:16,901 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-11-23 01:08:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:08:16,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:16,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:17,070 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 01:08:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2021-11-23 01:08:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2021-11-23 01:08:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:08:17,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:17,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:17,388 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 01:08:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2021-11-23 01:08:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2021-11-23 01:08:17,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:08:17,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:17,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:17,525 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 01:08:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2021-11-23 01:08:17,780 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2021-11-23 01:08:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:08:17,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:17,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:17,839 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 01:08:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2021-11-23 01:08:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2021-11-23 01:08:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:08:18,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:18,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:18,293 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 01:08:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:18,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2021-11-23 01:08:18,918 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2021-11-23 01:08:18,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:08:18,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:18,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:18,936 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 01:08:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2021-11-23 01:08:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2021-11-23 01:08:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:08:18,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:18,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:19,042 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 01:08:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2021-11-23 01:08:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2021-11-23 01:08:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:08:19,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:19,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:20,085 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 01:08:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 83 transitions. [2021-11-23 01:08:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 83 transitions. [2021-11-23 01:08:20,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:08:20,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:20,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:20,951 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 01:08:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2021-11-23 01:08:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2021-11-23 01:08:21,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:08:21,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:21,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:21,356 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 01:08:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2021-11-23 01:08:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2021-11-23 01:08:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:08:21,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:21,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2021-11-23 01:08:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2021-11-23 01:08:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:08:22,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:22,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:22,130 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 01:08:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 90 transitions. [2021-11-23 01:08:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2021-11-23 01:08:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:08:22,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:22,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:22,558 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 01:08:23,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2021-11-23 01:08:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2021-11-23 01:08:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:08:23,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:23,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:23,601 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 01:08:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:24,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2021-11-23 01:08:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2021-11-23 01:08:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:08:24,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:24,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:24,134 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 01:08:24,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 110 transitions. [2021-11-23 01:08:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2021-11-23 01:08:24,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:08:24,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:24,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:25,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2021-11-23 01:08:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2021-11-23 01:08:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:08:25,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:25,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:25,528 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 01:08:25,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 66 states and 117 transitions. [2021-11-23 01:08:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 117 transitions. [2021-11-23 01:08:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:08:25,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:25,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:26,112 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 01:08:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 68 states and 122 transitions. [2021-11-23 01:08:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 122 transitions. [2021-11-23 01:08:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:08:26,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:26,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:26,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:27,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 69 states and 124 transitions. [2021-11-23 01:08:27,490 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 124 transitions. [2021-11-23 01:08:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:08:27,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:27,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:27,515 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 01:08:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 70 states and 127 transitions. [2021-11-23 01:08:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 127 transitions. [2021-11-23 01:08:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:08:28,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:28,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:28,388 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 01:08:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 65 states and 111 transitions. [2021-11-23 01:08:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2021-11-23 01:08:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:08:28,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:28,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:29,110 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 01:08:29,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:29,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 66 states and 115 transitions. [2021-11-23 01:08:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 115 transitions. [2021-11-23 01:08:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:08:29,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:29,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:29,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:08:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 115 transitions. [2021-11-23 01:08:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 115 transitions. [2021-11-23 01:08:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:08:29,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:29,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:29,916 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 01:08:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 68 states and 115 transitions. [2021-11-23 01:08:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 115 transitions. [2021-11-23 01:08:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:08:30,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:30,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:30,349 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 01:08:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 65 states and 107 transitions. [2021-11-23 01:08:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 107 transitions. [2021-11-23 01:08:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:08:30,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:30,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:31,039 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 01:08:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:31,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2021-11-23 01:08:31,441 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2021-11-23 01:08:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:08:31,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:31,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:31,455 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 01:08:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:31,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2021-11-23 01:08:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-11-23 01:08:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:08:31,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:31,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2021-11-23 01:08:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2021-11-23 01:08:32,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:08:32,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:32,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:32,798 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 01:08:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2021-11-23 01:08:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-11-23 01:08:32,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:08:32,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:32,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:33,131 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 01:08:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 70 transitions. [2021-11-23 01:08:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2021-11-23 01:08:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:08:33,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:33,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:33,613 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 01:08:34,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 45 states and 60 transitions. [2021-11-23 01:08:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2021-11-23 01:08:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:08:34,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:34,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:34,449 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 01:08:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:35,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2021-11-23 01:08:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2021-11-23 01:08:35,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:08:35,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:35,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:35,566 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 01:08:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2021-11-23 01:08:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2021-11-23 01:08:37,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:08:37,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:37,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2021-11-23 01:08:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2021-11-23 01:08:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:08:43,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:43,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:45,160 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 01:08:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2021-11-23 01:08:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2021-11-23 01:08:49,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:08:49,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:49,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:50,148 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 01:08:56,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2021-11-23 01:08:56,902 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2021-11-23 01:08:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:08:56,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:56,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:57,605 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 01:08:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2021-11-23 01:08:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2021-11-23 01:08:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:08:59,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:59,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:01,035 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 01:09:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 80 states and 128 transitions. [2021-11-23 01:09:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 128 transitions. [2021-11-23 01:09:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:09:08,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:08,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:08,590 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 01:09:10,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:10,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2021-11-23 01:09:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2021-11-23 01:09:10,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:09:10,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:10,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:10,715 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 01:09:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:18,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 90 states and 145 transitions. [2021-11-23 01:09:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 145 transitions. [2021-11-23 01:09:18,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:09:18,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:18,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:18,361 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 01:09:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 93 states and 152 transitions. [2021-11-23 01:09:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 152 transitions. [2021-11-23 01:09:21,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:09:21,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:21,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:21,751 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 01:09:25,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 158 transitions. [2021-11-23 01:09:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 158 transitions. [2021-11-23 01:09:25,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:09:25,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:25,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:09:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 100 states and 161 transitions. [2021-11-23 01:09:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 161 transitions. [2021-11-23 01:09:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:09:27,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:27,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:29,417 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 01:09:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 105 states and 169 transitions. [2021-11-23 01:09:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 169 transitions. [2021-11-23 01:09:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:09:35,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:35,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:35,871 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 01:09:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 107 states and 172 transitions. [2021-11-23 01:09:37,792 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 172 transitions. [2021-11-23 01:09:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:09:37,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:37,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:50,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 117 states and 204 transitions. [2021-11-23 01:09:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 204 transitions. [2021-11-23 01:09:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:09:50,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:50,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:50,995 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 01:09:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 118 states and 204 transitions. [2021-11-23 01:09:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 204 transitions. [2021-11-23 01:09:52,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:09:52,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:52,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:02,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 217 transitions. [2021-11-23 01:10:02,398 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 217 transitions. [2021-11-23 01:10:02,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:10:02,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:02,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:02,443 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 01:10:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:03,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 114 states and 196 transitions. [2021-11-23 01:10:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 196 transitions. [2021-11-23 01:10:03,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:10:03,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:03,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:10:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2021-11-23 01:10:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2021-11-23 01:10:05,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:10:05,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:05,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:06,478 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 01:10:09,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 118 states and 201 transitions. [2021-11-23 01:10:09,449 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 201 transitions. [2021-11-23 01:10:09,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:10:09,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:09,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:10:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2021-11-23 01:10:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2021-11-23 01:10:10,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:10:10,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:10,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:10:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:11,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 118 states and 199 transitions. [2021-11-23 01:10:11,679 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 199 transitions. [2021-11-23 01:10:11,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:10:11,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:11,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:11,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:10:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:13,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2021-11-23 01:10:13,093 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2021-11-23 01:10:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:10:13,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:13,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:14,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 202 transitions. [2021-11-23 01:10:14,200 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 202 transitions. [2021-11-23 01:10:14,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:10:14,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:14,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:17,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2021-11-23 01:10:17,778 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2021-11-23 01:10:17,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:10:17,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:17,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:18,510 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 01:10:21,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 124 states and 212 transitions. [2021-11-23 01:10:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 212 transitions. [2021-11-23 01:10:21,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:10:21,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:21,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:21,655 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 01:10:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 210 transitions. [2021-11-23 01:10:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 210 transitions. [2021-11-23 01:10:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:10:23,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:23,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:10:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 122 states and 207 transitions. [2021-11-23 01:10:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2021-11-23 01:10:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:10:24,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:24,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 207 transitions. [2021-11-23 01:10:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2021-11-23 01:10:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:10:28,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:28,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:10:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 209 transitions. [2021-11-23 01:10:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2021-11-23 01:10:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:10:29,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:29,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:33,115 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 139 states and 245 transitions. [2021-11-23 01:10:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 245 transitions. [2021-11-23 01:10:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:10:58,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:58,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:11:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 149 states and 265 transitions. [2021-11-23 01:11:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 265 transitions. [2021-11-23 01:11:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:11:13,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:13,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:11:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:15,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 150 states and 268 transitions. [2021-11-23 01:11:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 268 transitions. [2021-11-23 01:11:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:11:15,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:15,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:22,427 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:42,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 159 states and 285 transitions. [2021-11-23 01:11:42,828 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 285 transitions. [2021-11-23 01:11:42,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:11:42,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:42,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:56,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:56,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 167 states and 300 transitions. [2021-11-23 01:11:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 300 transitions. [2021-11-23 01:11:56,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:11:56,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:56,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:12:06,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:06,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 173 states and 316 transitions. [2021-11-23 01:12:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 316 transitions. [2021-11-23 01:12:06,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:12:06,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:06,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:12:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 174 states and 318 transitions. [2021-11-23 01:12:08,022 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 318 transitions. [2021-11-23 01:12:08,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:12:08,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:08,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:12:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 175 states and 318 transitions. [2021-11-23 01:12:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 318 transitions. [2021-11-23 01:12:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:12:16,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:16,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:49,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:49,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 184 states and 343 transitions. [2021-11-23 01:12:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 343 transitions. [2021-11-23 01:12:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:12:49,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:49,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:07,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 192 states and 361 transitions. [2021-11-23 01:13:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 361 transitions. [2021-11-23 01:13:07,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:07,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:07,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:07,117 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 01:13:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 196 states and 365 transitions. [2021-11-23 01:13:14,456 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 365 transitions. [2021-11-23 01:13:14,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:14,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:14,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:14,504 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 01:13:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 202 states and 375 transitions. [2021-11-23 01:13:25,493 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 375 transitions. [2021-11-23 01:13:25,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:25,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:25,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:25,536 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 01:13:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 208 states and 387 transitions. [2021-11-23 01:13:36,606 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 387 transitions. [2021-11-23 01:13:36,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:36,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:36,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:36,649 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 01:13:46,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:46,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 213 states and 395 transitions. [2021-11-23 01:13:46,049 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 395 transitions. [2021-11-23 01:13:46,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:46,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:46,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:46,086 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:13:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 214 states and 395 transitions. [2021-11-23 01:13:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 395 transitions. [2021-11-23 01:13:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:47,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:47,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:14:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 223 states and 414 transitions. [2021-11-23 01:14:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 414 transitions. [2021-11-23 01:14:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:14:16,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:16,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:14:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 231 states and 431 transitions. [2021-11-23 01:14:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 431 transitions. [2021-11-23 01:14:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:14:34,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:34,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:14:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 232 states and 437 transitions. [2021-11-23 01:14:37,942 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 437 transitions. [2021-11-23 01:14:37,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:14:37,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:37,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:15:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 254 states and 494 transitions. [2021-11-23 01:15:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 494 transitions. [2021-11-23 01:15:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:46,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:46,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:15:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 257 states and 500 transitions. [2021-11-23 01:15:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 500 transitions. [2021-11-23 01:15:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:53,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:53,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:53,731 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:15:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 258 states and 503 transitions. [2021-11-23 01:15:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 503 transitions. [2021-11-23 01:15:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:15:55,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:55,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 275 states and 551 transitions. [2021-11-23 01:17:09,225 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 551 transitions. [2021-11-23 01:17:09,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:17:09,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:09,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 279 states and 560 transitions. [2021-11-23 01:17:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 560 transitions. [2021-11-23 01:17:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:17:18,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:18,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:18,213 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 01:17:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 283 states and 571 transitions. [2021-11-23 01:17:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 571 transitions. [2021-11-23 01:17:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:17:27,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:27,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:28,017 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 01:17:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 284 states and 573 transitions. [2021-11-23 01:17:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 573 transitions. [2021-11-23 01:17:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:17:30,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:30,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:30,508 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 01:17:37,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:37,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 287 states and 577 transitions. [2021-11-23 01:17:37,762 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 577 transitions. [2021-11-23 01:17:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:17:37,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:37,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:18:21,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 297 states and 604 transitions. [2021-11-23 01:18:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 604 transitions. [2021-11-23 01:18:21,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:18:21,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 301 states and 612 transitions. [2021-11-23 01:18:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 612 transitions. [2021-11-23 01:18:32,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:18:32,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,503 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 01:18:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 302 states and 613 transitions. [2021-11-23 01:18:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 613 transitions. [2021-11-23 01:18:35,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:18:35,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:19:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 311 states and 634 transitions. [2021-11-23 01:19:42,909 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 634 transitions. [2021-11-23 01:19:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:19:42,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:42,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.