./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/array02-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/array02-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN --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 6376f52a263bde0c709cb35a0d040626ae764c5527f8161f54a95df7802768d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:52:51,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:52:51,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:52:51,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:52:51,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:52:51,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:52:51,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:52:51,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:52:51,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:52:51,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:52:51,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:52:51,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:52:51,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:52:51,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:52:51,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:52:51,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:52:51,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:52:51,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:52:51,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:52:51,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:52:51,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:52:51,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:52:51,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:52:51,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:52:51,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:52:51,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:52:51,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:52:51,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:52:51,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:52:51,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:52:51,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:52:51,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:52:51,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:52:51,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:52:51,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:52:51,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:52:51,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:52:51,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:52:51,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:52:51,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:52:51,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:52:51,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 05:52:51,598 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:52:51,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:52:51,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:52:51,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:52:51,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:52:51,600 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:52:51,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:52:51,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:52:51,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:52:51,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:52:51,601 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 05:52:51,602 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 05:52:51,602 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 05:52:51,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:52:51,602 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:52:51,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:52:51,603 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:52:51,603 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:52:51,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:52:51,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:52:51,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:52:51,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:52:51,604 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:52:51,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:52:51,605 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_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6376f52a263bde0c709cb35a0d040626ae764c5527f8161f54a95df7802768d2 [2021-11-21 05:52:51,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:52:51,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:52:51,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:52:51,947 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:52:51,948 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:52:51,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-memsafety/array02-alloca-2.i [2021-11-21 05:52:52,033 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/data/729912090/5a7268a264324019b60dce2e18774189/FLAGc3264c5f3 [2021-11-21 05:52:52,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:52:52,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/sv-benchmarks/c/array-memsafety/array02-alloca-2.i [2021-11-21 05:52:52,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/data/729912090/5a7268a264324019b60dce2e18774189/FLAGc3264c5f3 [2021-11-21 05:52:52,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/data/729912090/5a7268a264324019b60dce2e18774189 [2021-11-21 05:52:52,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:52:52,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:52:52,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:52:52,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:52:52,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:52:52,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:52:52" (1/1) ... [2021-11-21 05:52:52,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdbb9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:52, skipping insertion in model container [2021-11-21 05:52:52,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:52:52" (1/1) ... [2021-11-21 05:52:52,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:52:52,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:52:53,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:52:53,365 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:52:53,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:52:53,437 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:52:53,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53 WrapperNode [2021-11-21 05:52:53,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:52:53,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:52:53,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:52:53,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:52:53,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53" (1/1) ... [2021-11-21 05:52:53,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53" (1/1) ... [2021-11-21 05:52:53,489 INFO L137 Inliner]: procedures = 116, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2021-11-21 05:52:53,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:52:53,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:52:53,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:52:53,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:52:53,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53" (1/1) ... [2021-11-21 05:52:53,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53" (1/1) ... [2021-11-21 05:52:53,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53" (1/1) ... [2021-11-21 05:52:53,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53" (1/1) ... [2021-11-21 05:52:53,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53" (1/1) ... [2021-11-21 05:52:53,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53" (1/1) ... [2021-11-21 05:52:53,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53" (1/1) ... [2021-11-21 05:52:53,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:52:53,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:52:53,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:52:53,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:52:53,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:52:53" (1/1) ... [2021-11-21 05:52:53,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:52:53,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:52:53,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:52:53,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00f1823-8ece-4d97-950f-5fb226728670/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:52:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:52:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:52:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:52:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:52:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:52:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:52:53,775 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:52:53,776 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:52:54,083 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:52:54,144 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:52:54,144 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-21 05:52:54,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:52:54 BoogieIcfgContainer [2021-11-21 05:52:54,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:52:54,148 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:52:54,148 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:52:54,161 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:52:54,161 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:52:54" (1/1) ... [2021-11-21 05:52:54,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:52:54,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2021-11-21 05:52:54,262 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2021-11-21 05:52:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:52:54,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:54,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2021-11-21 05:52:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-21 05:52:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:52:54,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:54,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:54,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2021-11-21 05:52:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2021-11-21 05:52:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:52:54,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:54,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:54,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-21 05:52:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-21 05:52:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:52:54,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:54,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:55,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2021-11-21 05:52:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-11-21 05:52:55,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:52:55,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:55,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2021-11-21 05:52:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2021-11-21 05:52:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:52:55,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:55,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:56,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2021-11-21 05:52:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2021-11-21 05:52:56,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:52:56,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:56,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:56,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:56,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-21 05:52:56,865 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-21 05:52:56,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:52:56,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:56,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2021-11-21 05:52:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2021-11-21 05:52:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:52:57,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2021-11-21 05:52:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-11-21 05:52:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:52:57,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:57,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2021-11-21 05:52:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2021-11-21 05:52:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:52:57,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2021-11-21 05:52:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-11-21 05:52:57,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:52:57,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2021-11-21 05:52:57,404 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2021-11-21 05:52:57,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:52:57,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2021-11-21 05:52:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2021-11-21 05:52:57,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:52:57,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2021-11-21 05:52:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2021-11-21 05:52:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:52:57,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:57,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2021-11-21 05:52:57,640 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2021-11-21 05:52:57,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:52:57,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2021-11-21 05:52:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-11-21 05:52:57,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:52:57,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2021-11-21 05:52:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-11-21 05:52:57,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:52:57,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:57,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:52:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:59,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2021-11-21 05:52:59,082 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2021-11-21 05:52:59,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:52:59,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:59,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:00,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2021-11-21 05:53:00,700 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2021-11-21 05:53:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:53:00,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:00,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:53:00,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:00,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 56 states and 84 transitions. [2021-11-21 05:53:00,942 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 84 transitions. [2021-11-21 05:53:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:53:00,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:00,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:01,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 84 transitions. [2021-11-21 05:53:01,181 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2021-11-21 05:53:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:53:01,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:01,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 100 transitions. [2021-11-21 05:53:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2021-11-21 05:53:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:53:03,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:03,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:53:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:03,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 99 transitions. [2021-11-21 05:53:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2021-11-21 05:53:03,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:53:03,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:03,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:53:03,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:03,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 64 states and 98 transitions. [2021-11-21 05:53:03,787 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2021-11-21 05:53:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:53:03,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:03,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:53:04,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 94 transitions. [2021-11-21 05:53:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 94 transitions. [2021-11-21 05:53:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:53:04,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:04,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:53:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2021-11-21 05:53:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2021-11-21 05:53:04,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:53:04,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:04,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:53:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 62 states and 94 transitions. [2021-11-21 05:53:04,468 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2021-11-21 05:53:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:53:04,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:04,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:53:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 62 states and 93 transitions. [2021-11-21 05:53:04,814 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2021-11-21 05:53:04,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:53:04,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:04,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:04,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:04,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 64 states and 94 transitions. [2021-11-21 05:53:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2021-11-21 05:53:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:53:04,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:04,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:04,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:53:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2021-11-21 05:53:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2021-11-21 05:53:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:53:05,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:05,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2021-11-21 05:53:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2021-11-21 05:53:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:53:05,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:05,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:53:05,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:05,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2021-11-21 05:53:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2021-11-21 05:53:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:53:05,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:05,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:53:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:05,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2021-11-21 05:53:05,764 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2021-11-21 05:53:05,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:05,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:05,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:53:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2021-11-21 05:53:05,902 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2021-11-21 05:53:05,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:05,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:05,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:53:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2021-11-21 05:53:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2021-11-21 05:53:06,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:06,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:06,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:06,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:06,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 66 states and 92 transitions. [2021-11-21 05:53:06,212 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2021-11-21 05:53:06,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:06,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:06,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2021-11-21 05:53:06,532 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2021-11-21 05:53:06,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:06,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:06,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 73 states and 105 transitions. [2021-11-21 05:53:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2021-11-21 05:53:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:53:07,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:07,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:08,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:08,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2021-11-21 05:53:08,222 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2021-11-21 05:53:08,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:53:08,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:08,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:53:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2021-11-21 05:53:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2021-11-21 05:53:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:53:08,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:08,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:10,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 91 states and 140 transitions. [2021-11-21 05:53:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 140 transitions. [2021-11-21 05:53:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:53:10,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:10,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 92 states and 140 transitions. [2021-11-21 05:53:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 140 transitions. [2021-11-21 05:53:11,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:53:11,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:11,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 05:53:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 97 states and 149 transitions. [2021-11-21 05:53:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2021-11-21 05:53:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:53:12,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:12,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:15,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 109 states and 172 transitions. [2021-11-21 05:53:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 172 transitions. [2021-11-21 05:53:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:53:15,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:15,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:15,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 110 states and 172 transitions. [2021-11-21 05:53:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 172 transitions. [2021-11-21 05:53:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:53:15,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:15,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:53:15,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:15,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 112 states and 173 transitions. [2021-11-21 05:53:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 173 transitions. [2021-11-21 05:53:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:53:15,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:15,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:53:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:19,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 118 states and 188 transitions. [2021-11-21 05:53:19,384 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 188 transitions. [2021-11-21 05:53:19,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:53:19,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:19,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 05:53:20,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 118 states and 185 transitions. [2021-11-21 05:53:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 185 transitions. [2021-11-21 05:53:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:53:20,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:20,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:20,082 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 05:53:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 120 states and 190 transitions. [2021-11-21 05:53:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 190 transitions. [2021-11-21 05:53:20,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:53:20,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:20,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:20,556 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:20,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 122 states and 191 transitions. [2021-11-21 05:53:20,877 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2021-11-21 05:53:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:53:20,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:20,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 05:53:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 125 states and 199 transitions. [2021-11-21 05:53:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 199 transitions. [2021-11-21 05:53:21,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:53:21,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:21,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:21,495 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 127 states and 201 transitions. [2021-11-21 05:53:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 201 transitions. [2021-11-21 05:53:21,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:53:21,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:21,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 202 transitions. [2021-11-21 05:53:22,141 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 202 transitions. [2021-11-21 05:53:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:53:22,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:22,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:22,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 130 states and 203 transitions. [2021-11-21 05:53:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 203 transitions. [2021-11-21 05:53:22,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:53:22,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:22,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:22,247 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 05:53:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 132 states and 204 transitions. [2021-11-21 05:53:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 204 transitions. [2021-11-21 05:53:23,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:53:23,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:23,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:24,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:24,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 134 states and 205 transitions. [2021-11-21 05:53:24,269 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 205 transitions. [2021-11-21 05:53:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:53:24,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:24,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 136 states and 206 transitions. [2021-11-21 05:53:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 206 transitions. [2021-11-21 05:53:25,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:53:25,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:25,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:25,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:25,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 138 states and 207 transitions. [2021-11-21 05:53:25,780 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 207 transitions. [2021-11-21 05:53:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:53:25,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:25,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 140 states and 208 transitions. [2021-11-21 05:53:26,220 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 208 transitions. [2021-11-21 05:53:26,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:53:26,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:26,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:26,460 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:26,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 143 states and 211 transitions. [2021-11-21 05:53:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 211 transitions. [2021-11-21 05:53:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:53:26,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:26,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 145 states and 212 transitions. [2021-11-21 05:53:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 212 transitions. [2021-11-21 05:53:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:53:27,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:27,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:27,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:27,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 147 states and 213 transitions. [2021-11-21 05:53:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2021-11-21 05:53:27,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:53:27,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:27,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 149 states and 214 transitions. [2021-11-21 05:53:27,494 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 214 transitions. [2021-11-21 05:53:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:53:27,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:27,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 151 states and 215 transitions. [2021-11-21 05:53:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 215 transitions. [2021-11-21 05:53:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:53:28,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:28,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 165 states and 248 transitions. [2021-11-21 05:53:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 248 transitions. [2021-11-21 05:53:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:53:32,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:32,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:32,193 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 166 states and 248 transitions. [2021-11-21 05:53:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 248 transitions. [2021-11-21 05:53:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:53:32,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:32,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 05:53:32,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:32,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 171 states and 252 transitions. [2021-11-21 05:53:32,712 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 252 transitions. [2021-11-21 05:53:32,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:53:32,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:32,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:33,777 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 183 states and 280 transitions. [2021-11-21 05:53:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 280 transitions. [2021-11-21 05:53:37,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:53:37,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:37,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 184 states and 280 transitions. [2021-11-21 05:53:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 280 transitions. [2021-11-21 05:53:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:37,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:37,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 186 states and 281 transitions. [2021-11-21 05:53:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 281 transitions. [2021-11-21 05:53:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:37,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:37,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:38,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 188 states and 282 transitions. [2021-11-21 05:53:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 282 transitions. [2021-11-21 05:53:38,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:38,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:38,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 190 states and 283 transitions. [2021-11-21 05:53:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 283 transitions. [2021-11-21 05:53:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:53:38,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:38,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:38,127 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 192 states and 284 transitions. [2021-11-21 05:53:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 284 transitions. [2021-11-21 05:53:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:53:39,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:39,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:39,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 194 states and 285 transitions. [2021-11-21 05:53:39,357 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 285 transitions. [2021-11-21 05:53:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:53:39,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:39,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 196 states and 286 transitions. [2021-11-21 05:53:40,543 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 286 transitions. [2021-11-21 05:53:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:53:40,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:40,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:40,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 198 states and 287 transitions. [2021-11-21 05:53:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 287 transitions. [2021-11-21 05:53:40,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:53:40,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:40,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:41,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 200 states and 288 transitions. [2021-11-21 05:53:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 288 transitions. [2021-11-21 05:53:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:53:41,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:41,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:41,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 202 states and 289 transitions. [2021-11-21 05:53:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 289 transitions. [2021-11-21 05:53:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:53:41,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:41,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:41,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 204 states and 290 transitions. [2021-11-21 05:53:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 290 transitions. [2021-11-21 05:53:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:53:41,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:41,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:41,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:41,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 206 states and 291 transitions. [2021-11-21 05:53:41,417 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 291 transitions. [2021-11-21 05:53:41,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:53:41,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:41,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 208 states and 292 transitions. [2021-11-21 05:53:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 292 transitions. [2021-11-21 05:53:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:53:42,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:42,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-21 05:53:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 213 states and 296 transitions. [2021-11-21 05:53:42,690 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 296 transitions. [2021-11-21 05:53:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:53:42,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:42,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 25 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:46,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:46,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 227 states and 322 transitions. [2021-11-21 05:53:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 322 transitions. [2021-11-21 05:53:46,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 05:53:46,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:46,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 16 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:53:51,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:51,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 239 states and 343 transitions. [2021-11-21 05:53:51,990 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 343 transitions. [2021-11-21 05:53:51,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:53:51,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:51,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 29 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:52,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 241 states and 344 transitions. [2021-11-21 05:53:52,112 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 344 transitions. [2021-11-21 05:53:52,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:53:52,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:52,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 30 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 243 states and 345 transitions. [2021-11-21 05:53:52,191 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 345 transitions. [2021-11-21 05:53:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:53:52,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:52,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 25 proven. 41 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 245 states and 346 transitions. [2021-11-21 05:53:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 346 transitions. [2021-11-21 05:53:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:53:52,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:52,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 26 proven. 41 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:53,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 247 states and 347 transitions. [2021-11-21 05:53:53,784 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 347 transitions. [2021-11-21 05:53:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:53:53,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:53,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 16 proven. 59 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:53,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 249 states and 348 transitions. [2021-11-21 05:53:53,922 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 348 transitions. [2021-11-21 05:53:53,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:53:53,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:53,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 251 states and 349 transitions. [2021-11-21 05:53:54,071 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 349 transitions. [2021-11-21 05:53:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:53:54,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:54,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 16 proven. 59 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:54,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 253 states and 350 transitions. [2021-11-21 05:53:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 350 transitions. [2021-11-21 05:53:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:53:54,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:54,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:53:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:55,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 255 states and 351 transitions. [2021-11-21 05:53:55,800 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 351 transitions. [2021-11-21 05:53:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 05:53:55,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:55,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 45 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:00,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 269 states and 377 transitions. [2021-11-21 05:54:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 377 transitions. [2021-11-21 05:54:00,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 05:54:00,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:00,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 25 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 281 states and 398 transitions. [2021-11-21 05:54:07,154 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 398 transitions. [2021-11-21 05:54:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:54:07,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:07,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 51 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 283 states and 399 transitions. [2021-11-21 05:54:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 399 transitions. [2021-11-21 05:54:07,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:54:07,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:07,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 52 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 285 states and 400 transitions. [2021-11-21 05:54:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 400 transitions. [2021-11-21 05:54:07,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:54:07,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:07,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 45 proven. 58 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 287 states and 401 transitions. [2021-11-21 05:54:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 401 transitions. [2021-11-21 05:54:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:54:07,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:07,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 46 proven. 58 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 289 states and 402 transitions. [2021-11-21 05:54:08,903 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 402 transitions. [2021-11-21 05:54:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:54:08,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:08,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 25 proven. 89 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 291 states and 403 transitions. [2021-11-21 05:54:09,049 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 403 transitions. [2021-11-21 05:54:09,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:54:09,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:09,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 25 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:09,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:09,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 293 states and 404 transitions. [2021-11-21 05:54:09,204 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 404 transitions. [2021-11-21 05:54:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:54:09,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:09,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 25 proven. 89 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 295 states and 405 transitions. [2021-11-21 05:54:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 405 transitions. [2021-11-21 05:54:09,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:54:09,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:09,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:09,448 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 25 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 297 states and 406 transitions. [2021-11-21 05:54:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2021-11-21 05:54:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:54:10,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:10,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 71 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 311 states and 432 transitions. [2021-11-21 05:54:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 432 transitions. [2021-11-21 05:54:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 05:54:16,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:16,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:18,529 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 36 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:23,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 323 states and 453 transitions. [2021-11-21 05:54:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 453 transitions. [2021-11-21 05:54:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 05:54:23,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:23,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 79 proven. 69 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 325 states and 454 transitions. [2021-11-21 05:54:24,054 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 454 transitions. [2021-11-21 05:54:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 05:54:24,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:24,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 80 proven. 69 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 327 states and 455 transitions. [2021-11-21 05:54:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 455 transitions. [2021-11-21 05:54:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 05:54:24,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:24,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:24,196 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 77 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:24,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 329 states and 456 transitions. [2021-11-21 05:54:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 456 transitions. [2021-11-21 05:54:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 05:54:24,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:24,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 72 proven. 77 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:25,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 331 states and 457 transitions. [2021-11-21 05:54:25,907 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 457 transitions. [2021-11-21 05:54:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 05:54:25,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:25,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:26,085 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 36 proven. 125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 333 states and 458 transitions. [2021-11-21 05:54:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 458 transitions. [2021-11-21 05:54:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 05:54:26,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:26,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 36 proven. 126 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 335 states and 459 transitions. [2021-11-21 05:54:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 459 transitions. [2021-11-21 05:54:26,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 05:54:26,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:26,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 36 proven. 125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 337 states and 460 transitions. [2021-11-21 05:54:26,532 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 460 transitions. [2021-11-21 05:54:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 05:54:26,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:26,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 36 proven. 126 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:28,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 339 states and 461 transitions. [2021-11-21 05:54:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 461 transitions. [2021-11-21 05:54:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 05:54:28,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:28,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 103 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 353 states and 487 transitions. [2021-11-21 05:54:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 487 transitions. [2021-11-21 05:54:34,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:54:34,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:34,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:37,314 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 49 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 365 states and 508 transitions. [2021-11-21 05:54:43,709 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 508 transitions. [2021-11-21 05:54:43,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:54:43,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:43,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 113 proven. 88 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 367 states and 509 transitions. [2021-11-21 05:54:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 509 transitions. [2021-11-21 05:54:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:54:43,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:43,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 114 proven. 88 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:43,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:43,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 369 states and 510 transitions. [2021-11-21 05:54:43,940 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 510 transitions. [2021-11-21 05:54:43,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:54:43,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:43,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 103 proven. 98 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 371 states and 511 transitions. [2021-11-21 05:54:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 511 transitions. [2021-11-21 05:54:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:54:44,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:44,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 104 proven. 98 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 373 states and 512 transitions. [2021-11-21 05:54:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 512 transitions. [2021-11-21 05:54:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:54:46,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:46,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:46,245 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 49 proven. 167 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:46,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 375 states and 513 transitions. [2021-11-21 05:54:46,317 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 513 transitions. [2021-11-21 05:54:46,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:54:46,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:46,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 49 proven. 168 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 377 states and 514 transitions. [2021-11-21 05:54:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 514 transitions. [2021-11-21 05:54:46,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:54:46,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:46,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 49 proven. 167 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 379 states and 515 transitions. [2021-11-21 05:54:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 515 transitions. [2021-11-21 05:54:46,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:54:46,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:46,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:46,823 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 49 proven. 168 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:54:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:48,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 381 states and 516 transitions. [2021-11-21 05:54:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 516 transitions. [2021-11-21 05:54:48,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:54:48,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:48,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 141 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:54:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:54:55,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 395 states and 542 transitions. [2021-11-21 05:54:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 542 transitions. [2021-11-21 05:54:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-21 05:54:55,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:54:55,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:54:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:54:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 64 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:06,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 407 states and 563 transitions. [2021-11-21 05:55:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 563 transitions. [2021-11-21 05:55:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:55:06,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:06,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 153 proven. 109 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 409 states and 564 transitions. [2021-11-21 05:55:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 564 transitions. [2021-11-21 05:55:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:55:06,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:06,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 154 proven. 109 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:07,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 411 states and 565 transitions. [2021-11-21 05:55:07,001 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 565 transitions. [2021-11-21 05:55:07,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:55:07,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:07,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 141 proven. 121 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 413 states and 566 transitions. [2021-11-21 05:55:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 566 transitions. [2021-11-21 05:55:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:55:07,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:07,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 142 proven. 121 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 415 states and 567 transitions. [2021-11-21 05:55:09,257 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 567 transitions. [2021-11-21 05:55:09,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 05:55:09,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:09,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 64 proven. 215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:09,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:09,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 417 states and 568 transitions. [2021-11-21 05:55:09,485 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 568 transitions. [2021-11-21 05:55:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 05:55:09,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:09,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 64 proven. 216 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 419 states and 569 transitions. [2021-11-21 05:55:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 569 transitions. [2021-11-21 05:55:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 05:55:09,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:09,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:09,864 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 64 proven. 215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 421 states and 570 transitions. [2021-11-21 05:55:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 570 transitions. [2021-11-21 05:55:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 05:55:09,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:09,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:10,072 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 64 proven. 216 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:12,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:12,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 423 states and 571 transitions. [2021-11-21 05:55:12,377 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 571 transitions. [2021-11-21 05:55:12,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 05:55:12,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:12,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 185 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 437 states and 597 transitions. [2021-11-21 05:55:20,301 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 597 transitions. [2021-11-21 05:55:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 05:55:20,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:20,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 81 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 449 states and 618 transitions. [2021-11-21 05:55:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 618 transitions. [2021-11-21 05:55:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 05:55:32,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:32,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:32,900 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 199 proven. 132 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:32,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 451 states and 619 transitions. [2021-11-21 05:55:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 619 transitions. [2021-11-21 05:55:32,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 05:55:32,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:32,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:33,035 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 200 proven. 132 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 453 states and 620 transitions. [2021-11-21 05:55:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 620 transitions. [2021-11-21 05:55:33,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 05:55:33,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:33,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 185 proven. 146 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:33,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:33,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 455 states and 621 transitions. [2021-11-21 05:55:33,389 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 621 transitions. [2021-11-21 05:55:33,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 05:55:33,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:33,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 186 proven. 146 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 457 states and 622 transitions. [2021-11-21 05:55:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 622 transitions. [2021-11-21 05:55:35,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 05:55:35,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:35,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 81 proven. 269 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 459 states and 623 transitions. [2021-11-21 05:55:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 623 transitions. [2021-11-21 05:55:35,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 05:55:35,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:35,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 81 proven. 270 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 461 states and 624 transitions. [2021-11-21 05:55:36,049 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 624 transitions. [2021-11-21 05:55:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 05:55:36,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:36,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:36,186 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 81 proven. 269 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:36,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:36,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 463 states and 625 transitions. [2021-11-21 05:55:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 625 transitions. [2021-11-21 05:55:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 05:55:36,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:36,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:36,379 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 81 proven. 270 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:55:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 465 states and 626 transitions. [2021-11-21 05:55:38,652 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 626 transitions. [2021-11-21 05:55:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 05:55:38,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:38,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:39,921 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 235 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:55:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:55:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 479 states and 652 transitions. [2021-11-21 05:55:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 652 transitions. [2021-11-21 05:55:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-21 05:55:47,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:55:47,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:55:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:55:52,155 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 100 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 491 states and 673 transitions. [2021-11-21 05:56:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 673 transitions. [2021-11-21 05:56:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 05:56:01,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:01,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 251 proven. 157 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:02,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 493 states and 674 transitions. [2021-11-21 05:56:02,087 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 674 transitions. [2021-11-21 05:56:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 05:56:02,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:02,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 252 proven. 157 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:02,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 495 states and 675 transitions. [2021-11-21 05:56:02,228 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 675 transitions. [2021-11-21 05:56:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 05:56:02,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:02,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 235 proven. 173 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 497 states and 676 transitions. [2021-11-21 05:56:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 676 transitions. [2021-11-21 05:56:02,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 05:56:02,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:02,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 236 proven. 173 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 499 states and 677 transitions. [2021-11-21 05:56:05,085 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 677 transitions. [2021-11-21 05:56:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 05:56:05,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:05,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 100 proven. 329 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 501 states and 678 transitions. [2021-11-21 05:56:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 678 transitions. [2021-11-21 05:56:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 05:56:05,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:05,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 100 proven. 330 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 503 states and 679 transitions. [2021-11-21 05:56:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 679 transitions. [2021-11-21 05:56:05,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 05:56:05,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:05,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 100 proven. 329 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 505 states and 680 transitions. [2021-11-21 05:56:05,798 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 680 transitions. [2021-11-21 05:56:05,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 05:56:05,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:05,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 100 proven. 330 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 507 states and 681 transitions. [2021-11-21 05:56:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 681 transitions. [2021-11-21 05:56:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 05:56:08,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:08,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 291 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 521 states and 707 transitions. [2021-11-21 05:56:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 707 transitions. [2021-11-21 05:56:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 05:56:17,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:17,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:23,451 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 121 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:34,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 533 states and 728 transitions. [2021-11-21 05:56:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 728 transitions. [2021-11-21 05:56:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 05:56:34,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:34,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 309 proven. 184 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:34,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 535 states and 729 transitions. [2021-11-21 05:56:34,656 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 729 transitions. [2021-11-21 05:56:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 05:56:34,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:34,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 310 proven. 184 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:34,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 537 states and 730 transitions. [2021-11-21 05:56:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 730 transitions. [2021-11-21 05:56:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 05:56:34,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:34,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:34,868 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 291 proven. 202 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:34,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 539 states and 731 transitions. [2021-11-21 05:56:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 731 transitions. [2021-11-21 05:56:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 05:56:34,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:34,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 292 proven. 202 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 541 states and 732 transitions. [2021-11-21 05:56:37,590 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 732 transitions. [2021-11-21 05:56:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 05:56:37,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:37,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 121 proven. 395 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 543 states and 733 transitions. [2021-11-21 05:56:37,806 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 733 transitions. [2021-11-21 05:56:37,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 05:56:37,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:37,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 121 proven. 396 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 545 states and 734 transitions. [2021-11-21 05:56:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 734 transitions. [2021-11-21 05:56:38,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 05:56:38,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:38,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 121 proven. 395 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 547 states and 735 transitions. [2021-11-21 05:56:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 735 transitions. [2021-11-21 05:56:38,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 05:56:38,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:38,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 121 proven. 396 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:56:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 549 states and 736 transitions. [2021-11-21 05:56:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 736 transitions. [2021-11-21 05:56:41,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 05:56:41,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:41,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 353 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:56:51,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:56:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 563 states and 762 transitions. [2021-11-21 05:56:51,521 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 762 transitions. [2021-11-21 05:56:51,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-21 05:56:51,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:56:51,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:56:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:56:58,191 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 144 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:10,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 575 states and 783 transitions. [2021-11-21 05:57:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 783 transitions. [2021-11-21 05:57:10,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 05:57:10,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:10,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 373 proven. 213 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 577 states and 784 transitions. [2021-11-21 05:57:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 784 transitions. [2021-11-21 05:57:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 05:57:10,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:10,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:11,056 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 374 proven. 213 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:11,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:11,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 579 states and 785 transitions. [2021-11-21 05:57:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 785 transitions. [2021-11-21 05:57:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 05:57:11,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:11,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 353 proven. 233 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:11,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:11,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 581 states and 786 transitions. [2021-11-21 05:57:11,312 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 786 transitions. [2021-11-21 05:57:11,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 05:57:11,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:11,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 354 proven. 233 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:14,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:14,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 583 states and 787 transitions. [2021-11-21 05:57:14,304 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 787 transitions. [2021-11-21 05:57:14,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 05:57:14,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:14,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 144 proven. 467 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:14,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 585 states and 788 transitions. [2021-11-21 05:57:14,545 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 788 transitions. [2021-11-21 05:57:14,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 05:57:14,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:14,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 144 proven. 468 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 587 states and 789 transitions. [2021-11-21 05:57:14,839 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 789 transitions. [2021-11-21 05:57:14,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 05:57:14,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:14,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 144 proven. 467 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 589 states and 790 transitions. [2021-11-21 05:57:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 790 transitions. [2021-11-21 05:57:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 05:57:15,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:15,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 144 proven. 468 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:18,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 591 states and 791 transitions. [2021-11-21 05:57:18,336 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 791 transitions. [2021-11-21 05:57:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-21 05:57:18,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:18,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 421 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:29,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 605 states and 817 transitions. [2021-11-21 05:57:29,301 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 817 transitions. [2021-11-21 05:57:29,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-21 05:57:29,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:29,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 169 proven. 521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:57:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 617 states and 838 transitions. [2021-11-21 05:57:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 838 transitions. [2021-11-21 05:57:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 05:57:51,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:51,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 443 proven. 244 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:51,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 619 states and 839 transitions. [2021-11-21 05:57:51,798 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 839 transitions. [2021-11-21 05:57:51,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 05:57:51,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:51,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 444 proven. 244 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:51,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:51,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 621 states and 840 transitions. [2021-11-21 05:57:51,964 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 840 transitions. [2021-11-21 05:57:51,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 05:57:51,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:51,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 421 proven. 266 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 623 states and 841 transitions. [2021-11-21 05:57:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 841 transitions. [2021-11-21 05:57:52,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 05:57:52,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:52,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 422 proven. 266 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:55,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 625 states and 842 transitions. [2021-11-21 05:57:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 842 transitions. [2021-11-21 05:57:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 05:57:55,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:55,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:55,507 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 169 proven. 545 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:55,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 627 states and 843 transitions. [2021-11-21 05:57:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 843 transitions. [2021-11-21 05:57:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 05:57:55,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:55,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 169 proven. 546 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 629 states and 844 transitions. [2021-11-21 05:57:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 844 transitions. [2021-11-21 05:57:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 05:57:55,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:55,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 169 proven. 545 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 631 states and 845 transitions. [2021-11-21 05:57:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 845 transitions. [2021-11-21 05:57:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 05:57:56,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:56,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:57:56,445 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 169 proven. 546 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:57:59,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:57:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 633 states and 846 transitions. [2021-11-21 05:57:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 846 transitions. [2021-11-21 05:57:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 05:57:59,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:57:59,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:57:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 495 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 647 states and 872 transitions. [2021-11-21 05:58:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 872 transitions. [2021-11-21 05:58:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-21 05:58:12,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:12,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 799 backedges. 196 proven. 603 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 659 states and 893 transitions. [2021-11-21 05:58:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 893 transitions. [2021-11-21 05:58:37,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 05:58:37,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:37,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 519 proven. 277 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:58:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:37,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 661 states and 894 transitions. [2021-11-21 05:58:37,301 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 894 transitions. [2021-11-21 05:58:37,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 05:58:37,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:37,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 799 backedges. 520 proven. 277 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:58:37,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:37,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 663 states and 895 transitions. [2021-11-21 05:58:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 895 transitions. [2021-11-21 05:58:37,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 05:58:37,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:37,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 495 proven. 301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:58:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 665 states and 896 transitions. [2021-11-21 05:58:37,663 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 896 transitions. [2021-11-21 05:58:37,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 05:58:37,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:37,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 799 backedges. 496 proven. 301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:58:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 667 states and 897 transitions. [2021-11-21 05:58:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 897 transitions. [2021-11-21 05:58:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 05:58:41,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:41,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 196 proven. 629 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:58:41,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:41,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 669 states and 898 transitions. [2021-11-21 05:58:41,577 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 898 transitions. [2021-11-21 05:58:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 05:58:41,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:41,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 196 proven. 630 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:58:41,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 671 states and 899 transitions. [2021-11-21 05:58:41,871 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 899 transitions. [2021-11-21 05:58:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 05:58:41,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:41,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 196 proven. 629 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:58:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 673 states and 900 transitions. [2021-11-21 05:58:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 900 transitions. [2021-11-21 05:58:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 05:58:42,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:42,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 196 proven. 630 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:58:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 675 states and 901 transitions. [2021-11-21 05:58:45,898 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 901 transitions. [2021-11-21 05:58:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 05:58:45,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:45,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:47,524 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 575 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:58,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 689 states and 927 transitions. [2021-11-21 05:58:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 927 transitions. [2021-11-21 05:58:58,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-21 05:58:58,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:58,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:08,845 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 225 proven. 691 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:26,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:26,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 701 states and 948 transitions. [2021-11-21 05:59:26,775 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 948 transitions. [2021-11-21 05:59:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-21 05:59:26,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:26,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 601 proven. 312 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 703 states and 949 transitions. [2021-11-21 05:59:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 949 transitions. [2021-11-21 05:59:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-21 05:59:26,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:26,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 602 proven. 312 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 705 states and 950 transitions. [2021-11-21 05:59:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 950 transitions. [2021-11-21 05:59:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-21 05:59:27,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:27,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:27,227 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 575 proven. 338 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 707 states and 951 transitions. [2021-11-21 05:59:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 951 transitions. [2021-11-21 05:59:27,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-21 05:59:27,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:27,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:27,401 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 576 proven. 338 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 709 states and 952 transitions. [2021-11-21 05:59:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 952 transitions. [2021-11-21 05:59:31,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 05:59:31,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:31,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:31,442 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 225 proven. 719 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 711 states and 953 transitions. [2021-11-21 05:59:31,564 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 953 transitions. [2021-11-21 05:59:31,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 05:59:31,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:31,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:31,742 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 225 proven. 720 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 713 states and 954 transitions. [2021-11-21 05:59:31,865 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 954 transitions. [2021-11-21 05:59:31,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 05:59:31,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:31,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 225 proven. 719 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:32,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 715 states and 955 transitions. [2021-11-21 05:59:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 955 transitions. [2021-11-21 05:59:32,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 05:59:32,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:32,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 225 proven. 720 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 717 states and 956 transitions. [2021-11-21 05:59:36,260 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 956 transitions. [2021-11-21 05:59:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-21 05:59:36,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:36,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 661 proven. 347 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:50,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 731 states and 982 transitions. [2021-11-21 05:59:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 982 transitions. [2021-11-21 05:59:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-21 05:59:50,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:50,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 256 proven. 785 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:00:22,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 743 states and 1003 transitions. [2021-11-21 06:00:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1003 transitions. [2021-11-21 06:00:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 06:00:22,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:22,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:22,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 689 proven. 349 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:00:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:23,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 745 states and 1004 transitions. [2021-11-21 06:00:23,099 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1004 transitions. [2021-11-21 06:00:23,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 06:00:23,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:23,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 690 proven. 349 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:00:23,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:23,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 747 states and 1005 transitions. [2021-11-21 06:00:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1005 transitions. [2021-11-21 06:00:23,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 06:00:23,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:23,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 661 proven. 377 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:00:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:23,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 749 states and 1006 transitions. [2021-11-21 06:00:23,606 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1006 transitions. [2021-11-21 06:00:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 06:00:23,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:23,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:23,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 662 proven. 377 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:00:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:27,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 751 states and 1007 transitions. [2021-11-21 06:00:27,415 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1007 transitions. [2021-11-21 06:00:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-21 06:00:27,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:27,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 256 proven. 815 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:00:27,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 753 states and 1008 transitions. [2021-11-21 06:00:27,844 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1008 transitions. [2021-11-21 06:00:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-21 06:00:27,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:27,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1074 backedges. 256 proven. 816 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:00:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 755 states and 1009 transitions. [2021-11-21 06:00:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1009 transitions. [2021-11-21 06:00:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-21 06:00:28,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:28,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 256 proven. 815 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:00:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 757 states and 1010 transitions. [2021-11-21 06:00:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1010 transitions. [2021-11-21 06:00:28,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-21 06:00:28,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:28,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1074 backedges. 256 proven. 816 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:00:32,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:32,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 759 states and 1011 transitions. [2021-11-21 06:00:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1011 transitions. [2021-11-21 06:00:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-21 06:00:32,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:32,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 753 proven. 386 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:00:47,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:47,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 773 states and 1037 transitions. [2021-11-21 06:00:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1037 transitions. [2021-11-21 06:00:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-21 06:00:47,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:47,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1174 backedges. 289 proven. 885 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 785 states and 1058 transitions. [2021-11-21 06:01:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1058 transitions. [2021-11-21 06:01:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-21 06:01:23,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:23,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 783 proven. 388 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:23,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 787 states and 1059 transitions. [2021-11-21 06:01:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1059 transitions. [2021-11-21 06:01:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-21 06:01:23,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:23,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:23,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1174 backedges. 784 proven. 388 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:23,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 789 states and 1060 transitions. [2021-11-21 06:01:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1060 transitions. [2021-11-21 06:01:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-21 06:01:23,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:23,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 753 proven. 418 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:24,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 791 states and 1061 transitions. [2021-11-21 06:01:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1061 transitions. [2021-11-21 06:01:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-21 06:01:24,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:24,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1174 backedges. 754 proven. 418 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 793 states and 1062 transitions. [2021-11-21 06:01:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1062 transitions. [2021-11-21 06:01:28,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 06:01:28,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:28,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1208 backedges. 289 proven. 917 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 795 states and 1063 transitions. [2021-11-21 06:01:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1063 transitions. [2021-11-21 06:01:28,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 06:01:28,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:28,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 289 proven. 918 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:29,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:29,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 797 states and 1064 transitions. [2021-11-21 06:01:29,214 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1064 transitions. [2021-11-21 06:01:29,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 06:01:29,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:29,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1208 backedges. 289 proven. 917 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 799 states and 1065 transitions. [2021-11-21 06:01:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1065 transitions. [2021-11-21 06:01:29,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 06:01:29,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:29,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 289 proven. 918 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:34,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:34,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 801 states and 1066 transitions. [2021-11-21 06:01:34,252 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1066 transitions. [2021-11-21 06:01:34,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-21 06:01:34,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:34,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 851 proven. 427 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:50,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 815 states and 1092 transitions. [2021-11-21 06:01:50,295 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1092 transitions. [2021-11-21 06:01:50,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-21 06:01:50,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:50,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1315 backedges. 324 proven. 991 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:30,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:30,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 827 states and 1113 transitions. [2021-11-21 06:02:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1113 transitions. [2021-11-21 06:02:30,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-21 06:02:30,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:30,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:30,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 883 proven. 429 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:02:30,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 829 states and 1114 transitions. [2021-11-21 06:02:30,234 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1114 transitions. [2021-11-21 06:02:30,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-21 06:02:30,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:30,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1315 backedges. 884 proven. 429 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:02:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 831 states and 1115 transitions. [2021-11-21 06:02:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1115 transitions. [2021-11-21 06:02:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-21 06:02:30,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:30,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 851 proven. 461 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:02:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 833 states and 1116 transitions. [2021-11-21 06:02:30,679 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1116 transitions. [2021-11-21 06:02:30,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-21 06:02:30,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:30,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1315 backedges. 852 proven. 461 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:02:35,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 835 states and 1117 transitions. [2021-11-21 06:02:35,290 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1117 transitions. [2021-11-21 06:02:35,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-21 06:02:35,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:35,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 324 proven. 1025 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:02:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:35,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 837 states and 1118 transitions. [2021-11-21 06:02:35,643 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1118 transitions. [2021-11-21 06:02:35,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-21 06:02:35,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:35,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 324 proven. 1026 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:02:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 839 states and 1119 transitions. [2021-11-21 06:02:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1119 transitions. [2021-11-21 06:02:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-21 06:02:35,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:35,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:36,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 324 proven. 1025 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:02:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 841 states and 1120 transitions. [2021-11-21 06:02:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1120 transitions. [2021-11-21 06:02:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-21 06:02:36,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:36,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 324 proven. 1026 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:02:41,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 843 states and 1121 transitions. [2021-11-21 06:02:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1121 transitions. [2021-11-21 06:02:41,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-21 06:02:41,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:41,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:43,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 955 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 857 states and 1147 transitions. [2021-11-21 06:02:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1147 transitions. [2021-11-21 06:02:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-21 06:02:58,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:58,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 361 proven. 1103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:03:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:42,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 869 states and 1168 transitions. [2021-11-21 06:03:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1168 transitions. [2021-11-21 06:03:42,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-21 06:03:42,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:42,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:42,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 989 proven. 472 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 871 states and 1169 transitions. [2021-11-21 06:03:42,854 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1169 transitions. [2021-11-21 06:03:42,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-21 06:03:42,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:42,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 990 proven. 472 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:43,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 873 states and 1170 transitions. [2021-11-21 06:03:43,088 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1170 transitions. [2021-11-21 06:03:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-21 06:03:43,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:43,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 955 proven. 506 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:43,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 875 states and 1171 transitions. [2021-11-21 06:03:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1171 transitions. [2021-11-21 06:03:43,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-21 06:03:43,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:43,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 956 proven. 506 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:48,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 877 states and 1172 transitions. [2021-11-21 06:03:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1172 transitions. [2021-11-21 06:03:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-21 06:03:48,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:48,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1502 backedges. 361 proven. 1139 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 879 states and 1173 transitions. [2021-11-21 06:03:48,552 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1173 transitions. [2021-11-21 06:03:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-21 06:03:48,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:48,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 361 proven. 1140 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 881 states and 1174 transitions. [2021-11-21 06:03:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1174 transitions. [2021-11-21 06:03:49,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-21 06:03:49,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:49,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1502 backedges. 361 proven. 1139 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 883 states and 1175 transitions. [2021-11-21 06:03:49,436 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1175 transitions. [2021-11-21 06:03:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-21 06:03:49,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:49,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 361 proven. 1140 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:54,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 885 states and 1176 transitions. [2021-11-21 06:03:54,542 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1176 transitions. [2021-11-21 06:03:54,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-21 06:03:54,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:54,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:56,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 1065 proven. 515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.