./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba885d2ca843c278430bc3d4272c307ea7df8f1fbcd0da84e81382a8c1939a93 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:15:15,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:15:15,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:15:15,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:15:15,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:15:15,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:15:15,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:15:15,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:15:15,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:15:15,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:15:15,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:15:15,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:15:15,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:15:15,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:15:15,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:15:15,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:15:15,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:15:15,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:15:15,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:15:15,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:15:15,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:15:15,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:15:15,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:15:15,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:15:15,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:15:15,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:15:15,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:15:15,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:15:15,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:15:15,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:15:15,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:15:15,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:15:15,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:15:15,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:15:15,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:15:15,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:15:15,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:15:15,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:15:15,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:15:15,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:15:15,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:15:15,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:15:15,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:15:15,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:15:15,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:15:15,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:15:15,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:15:15,828 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:15:15,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:15:15,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:15:15,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:15:15,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:15:15,830 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:15:15,831 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:15:15,831 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:15:15,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:15:15,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:15:15,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:15:15,833 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:15:15,833 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:15:15,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:15:15,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:15,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:15:15,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:15:15,836 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:15:15,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:15:15,836 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_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba885d2ca843c278430bc3d4272c307ea7df8f1fbcd0da84e81382a8c1939a93 [2021-11-22 23:15:16,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:15:16,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:15:16,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:15:16,125 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:15:16,127 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:15:16,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2021-11-22 23:15:16,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/data/ecb915d93/86498bca5ce04e6999df9d5d73c86251/FLAG3a0cb5d4a [2021-11-22 23:15:16,795 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:15:16,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2021-11-22 23:15:16,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/data/ecb915d93/86498bca5ce04e6999df9d5d73c86251/FLAG3a0cb5d4a [2021-11-22 23:15:17,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/data/ecb915d93/86498bca5ce04e6999df9d5d73c86251 [2021-11-22 23:15:17,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:15:17,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:15:17,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:17,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:15:17,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:15:17,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d0d408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17, skipping insertion in model container [2021-11-22 23:15:17,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:15:17,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:15:17,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:17,466 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:15:17,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:17,534 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:15:17,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17 WrapperNode [2021-11-22 23:15:17,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:17,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:17,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:15:17,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:15:17,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,582 INFO L137 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-22 23:15:17,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:17,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:15:17,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:15:17,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:15:17,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:15:17,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:15:17,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:15:17,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:15:17,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:17" (1/1) ... [2021-11-22 23:15:17,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:17,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:15:17,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:15:17,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cfa142d-43eb-49c2-8959-651f1cba7ae6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:15:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:15:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:15:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:15:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:15:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:15:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:15:17,850 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:15:17,852 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:15:18,070 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:15:18,111 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:15:18,111 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:15:18,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:18 BoogieIcfgContainer [2021-11-22 23:15:18,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:15:18,115 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:15:18,115 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:15:18,126 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:15:18,126 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:18" (1/1) ... [2021-11-22 23:15:18,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:15:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2021-11-22 23:15:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-11-22 23:15:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:15:18,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:18,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:18,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:18,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2021-11-22 23:15:18,383 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-11-22 23:15:18,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:15:18,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:18,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2021-11-22 23:15:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-11-22 23:15:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:15:18,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:18,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2021-11-22 23:15:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-11-22 23:15:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:15:19,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:19,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:19,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:19,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2021-11-22 23:15:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2021-11-22 23:15:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:15:19,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:19,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:15:20,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2021-11-22 23:15:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2021-11-22 23:15:20,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:15:20,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:20,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:20,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2021-11-22 23:15:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-22 23:15:20,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:15:20,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:20,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:20,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2021-11-22 23:15:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2021-11-22 23:15:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:15:21,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:21,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:22,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2021-11-22 23:15:22,232 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2021-11-22 23:15:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:15:22,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:22,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:22,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:23,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:23,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2021-11-22 23:15:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2021-11-22 23:15:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:15:23,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:23,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:15:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2021-11-22 23:15:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2021-11-22 23:15:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:15:23,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:23,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:23,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2021-11-22 23:15:23,896 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2021-11-22 23:15:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:15:23,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:23,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:15:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2021-11-22 23:15:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2021-11-22 23:15:24,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:15:24,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:24,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2021-11-22 23:15:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2021-11-22 23:15:24,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:15:24,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:24,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2021-11-22 23:15:25,996 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2021-11-22 23:15:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:15:25,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:25,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:26,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2021-11-22 23:15:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2021-11-22 23:15:26,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:15:26,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:26,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,449 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:26,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2021-11-22 23:15:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2021-11-22 23:15:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:15:26,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:26,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:26,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:26,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2021-11-22 23:15:26,763 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2021-11-22 23:15:26,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:15:26,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:26,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2021-11-22 23:15:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2021-11-22 23:15:27,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:15:27,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:27,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2021-11-22 23:15:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2021-11-22 23:15:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:15:27,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:27,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:27,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2021-11-22 23:15:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2021-11-22 23:15:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:15:27,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:27,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2021-11-22 23:15:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2021-11-22 23:15:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:15:27,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:27,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:27,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2021-11-22 23:15:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2021-11-22 23:15:27,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:15:27,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:27,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 58 states and 105 transitions. [2021-11-22 23:15:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 105 transitions. [2021-11-22 23:15:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:15:30,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:30,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:30,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:30,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 59 states and 106 transitions. [2021-11-22 23:15:30,560 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2021-11-22 23:15:30,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:15:30,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:30,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 61 states and 110 transitions. [2021-11-22 23:15:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2021-11-22 23:15:31,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:15:31,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:31,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 66 states and 116 transitions. [2021-11-22 23:15:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 116 transitions. [2021-11-22 23:15:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:15:32,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:32,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2021-11-22 23:15:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2021-11-22 23:15:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:15:33,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:33,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:33,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2021-11-22 23:15:33,152 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2021-11-22 23:15:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:15:33,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:33,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:36,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 74 states and 139 transitions. [2021-11-22 23:15:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2021-11-22 23:15:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:15:36,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:36,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:36,684 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:37,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 75 states and 139 transitions. [2021-11-22 23:15:37,460 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 139 transitions. [2021-11-22 23:15:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:15:37,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:37,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:15:38,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 77 states and 141 transitions. [2021-11-22 23:15:38,265 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 141 transitions. [2021-11-22 23:15:38,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:15:38,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:38,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:39,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:39,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 78 states and 142 transitions. [2021-11-22 23:15:39,123 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 142 transitions. [2021-11-22 23:15:39,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:15:39,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:39,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 83 states and 150 transitions. [2021-11-22 23:15:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 150 transitions. [2021-11-22 23:15:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:15:40,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:40,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:41,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 84 states and 151 transitions. [2021-11-22 23:15:41,810 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 151 transitions. [2021-11-22 23:15:41,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:15:41,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:41,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:41,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 85 states and 152 transitions. [2021-11-22 23:15:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 152 transitions. [2021-11-22 23:15:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:15:42,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:42,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:42,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 89 states and 155 transitions. [2021-11-22 23:15:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 155 transitions. [2021-11-22 23:15:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:15:42,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:42,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:15:43,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2021-11-22 23:15:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2021-11-22 23:15:43,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:15:43,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:43,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:43,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:43,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 95 states and 163 transitions. [2021-11-22 23:15:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 163 transitions. [2021-11-22 23:15:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:15:43,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:43,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 166 transitions. [2021-11-22 23:15:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 166 transitions. [2021-11-22 23:15:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:15:43,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:43,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:15:45,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 165 transitions. [2021-11-22 23:15:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 165 transitions. [2021-11-22 23:15:45,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:45,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:45,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:45,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2021-11-22 23:15:45,713 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2021-11-22 23:15:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:45,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:45,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 196 transitions. [2021-11-22 23:15:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2021-11-22 23:15:50,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:50,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:50,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:15:50,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 195 transitions. [2021-11-22 23:15:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 195 transitions. [2021-11-22 23:15:50,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:50,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:50,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:51,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:51,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2021-11-22 23:15:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2021-11-22 23:15:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:51,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:51,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:15:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:52,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 118 states and 204 transitions. [2021-11-22 23:15:52,637 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 204 transitions. [2021-11-22 23:15:52,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:52,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:52,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 212 transitions. [2021-11-22 23:15:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2021-11-22 23:15:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:54,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 216 transitions. [2021-11-22 23:15:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 216 transitions. [2021-11-22 23:15:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:55,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:15:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 215 transitions. [2021-11-22 23:15:55,701 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 215 transitions. [2021-11-22 23:15:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:15:55,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 132 states and 233 transitions. [2021-11-22 23:16:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 233 transitions. [2021-11-22 23:16:01,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:16:01,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:01,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 133 states and 233 transitions. [2021-11-22 23:16:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 233 transitions. [2021-11-22 23:16:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:16:02,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:02,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:16:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 128 states and 222 transitions. [2021-11-22 23:16:02,795 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 222 transitions. [2021-11-22 23:16:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:16:02,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:02,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:16:04,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 132 states and 229 transitions. [2021-11-22 23:16:04,928 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 229 transitions. [2021-11-22 23:16:04,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:16:04,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:04,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:16:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 136 states and 234 transitions. [2021-11-22 23:16:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 234 transitions. [2021-11-22 23:16:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:06,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:06,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 140 states and 237 transitions. [2021-11-22 23:16:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 237 transitions. [2021-11-22 23:16:06,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:06,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:06,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 144 states and 240 transitions. [2021-11-22 23:16:06,822 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 240 transitions. [2021-11-22 23:16:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:16:06,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:06,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:07,067 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:16:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 148 states and 243 transitions. [2021-11-22 23:16:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 243 transitions. [2021-11-22 23:16:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:16:07,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:07,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:07,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:07,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 152 states and 246 transitions. [2021-11-22 23:16:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 246 transitions. [2021-11-22 23:16:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:16:07,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:07,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:07,709 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 156 states and 249 transitions. [2021-11-22 23:16:07,754 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 249 transitions. [2021-11-22 23:16:07,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:16:07,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:07,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:16:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:08,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 160 states and 252 transitions. [2021-11-22 23:16:08,326 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 252 transitions. [2021-11-22 23:16:08,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:16:08,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:08,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:12,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:12,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 173 states and 276 transitions. [2021-11-22 23:16:12,451 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 276 transitions. [2021-11-22 23:16:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:16:12,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:12,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:16:12,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 177 states and 279 transitions. [2021-11-22 23:16:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 279 transitions. [2021-11-22 23:16:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:16:12,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:12,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 179 states and 284 transitions. [2021-11-22 23:16:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 284 transitions. [2021-11-22 23:16:14,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:16:14,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:14,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:16:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 192 states and 311 transitions. [2021-11-22 23:16:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 311 transitions. [2021-11-22 23:16:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:16:20,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:20,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:20,681 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:16:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:21,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 194 states and 314 transitions. [2021-11-22 23:16:21,820 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 314 transitions. [2021-11-22 23:16:21,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:16:21,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:21,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:21,861 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:16:26,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 209 states and 339 transitions. [2021-11-22 23:16:26,347 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 339 transitions. [2021-11-22 23:16:26,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:16:26,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:26,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:16:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 214 states and 349 transitions. [2021-11-22 23:16:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 349 transitions. [2021-11-22 23:16:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:16:28,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:28,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 225 states and 366 transitions. [2021-11-22 23:16:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 366 transitions. [2021-11-22 23:16:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:16:34,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 226 states and 366 transitions. [2021-11-22 23:16:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 366 transitions. [2021-11-22 23:16:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:16:35,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:35,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:16:37,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:37,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 228 states and 369 transitions. [2021-11-22 23:16:37,280 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 369 transitions. [2021-11-22 23:16:37,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:16:37,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:37,324 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:37,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:37,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 232 states and 372 transitions. [2021-11-22 23:16:37,372 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 372 transitions. [2021-11-22 23:16:37,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:16:37,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 236 states and 375 transitions. [2021-11-22 23:16:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 375 transitions. [2021-11-22 23:16:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:16:37,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:16:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 240 states and 378 transitions. [2021-11-22 23:16:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 378 transitions. [2021-11-22 23:16:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:16:37,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:16:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:37,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 244 states and 381 transitions. [2021-11-22 23:16:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 381 transitions. [2021-11-22 23:16:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:16:37,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:16:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 248 states and 384 transitions. [2021-11-22 23:16:38,065 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 384 transitions. [2021-11-22 23:16:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:16:38,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:16:38,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 252 states and 387 transitions. [2021-11-22 23:16:38,144 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 387 transitions. [2021-11-22 23:16:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:16:38,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:51,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 264 states and 407 transitions. [2021-11-22 23:16:51,128 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 407 transitions. [2021-11-22 23:16:51,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:16:51,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:51,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 267 states and 409 transitions. [2021-11-22 23:16:53,634 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 409 transitions. [2021-11-22 23:16:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:16:53,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:17:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 274 states and 427 transitions. [2021-11-22 23:17:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 427 transitions. [2021-11-22 23:17:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:17:01,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 278 states and 430 transitions. [2021-11-22 23:17:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 430 transitions. [2021-11-22 23:17:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:17:01,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 282 states and 433 transitions. [2021-11-22 23:17:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 433 transitions. [2021-11-22 23:17:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:17:01,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,357 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 295 states and 457 transitions. [2021-11-22 23:17:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 457 transitions. [2021-11-22 23:17:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:17:07,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:07,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:07,790 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 297 states and 462 transitions. [2021-11-22 23:17:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 462 transitions. [2021-11-22 23:17:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:17:09,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:09,626 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:17:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 301 states and 473 transitions. [2021-11-22 23:17:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 473 transitions. [2021-11-22 23:17:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:17:13,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:17:14,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 303 states and 475 transitions. [2021-11-22 23:17:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 475 transitions. [2021-11-22 23:17:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:17:14,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,945 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:17:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:15,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 304 states and 477 transitions. [2021-11-22 23:17:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 477 transitions. [2021-11-22 23:17:15,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:17:15,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:15,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:17:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 309 states and 484 transitions. [2021-11-22 23:17:18,500 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 484 transitions. [2021-11-22 23:17:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:17:18,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:18,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 320 states and 501 transitions. [2021-11-22 23:17:27,454 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 501 transitions. [2021-11-22 23:17:27,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:17:27,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 321 states and 501 transitions. [2021-11-22 23:17:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 501 transitions. [2021-11-22 23:17:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:17:29,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 316 states and 494 transitions. [2021-11-22 23:17:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 494 transitions. [2021-11-22 23:17:37,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:17:37,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,244 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-22 23:17:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 320 states and 497 transitions. [2021-11-22 23:17:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 497 transitions. [2021-11-22 23:17:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:17:37,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,325 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-22 23:17:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 324 states and 500 transitions. [2021-11-22 23:17:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 500 transitions. [2021-11-22 23:17:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:17:37,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 328 states and 503 transitions. [2021-11-22 23:17:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 503 transitions. [2021-11-22 23:17:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:17:37,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 332 states and 506 transitions. [2021-11-22 23:17:37,577 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 506 transitions. [2021-11-22 23:17:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:17:37,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 6 proven. 59 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:17:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 354 states and 549 transitions. [2021-11-22 23:17:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 549 transitions. [2021-11-22 23:17:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:17:53,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 6 proven. 59 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:17:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 361 states and 561 transitions. [2021-11-22 23:17:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 561 transitions. [2021-11-22 23:17:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:17:57,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,045 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:17:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 365 states and 564 transitions. [2021-11-22 23:17:58,100 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 564 transitions. [2021-11-22 23:17:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:17:58,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 25 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:17:59,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 366 states and 565 transitions. [2021-11-22 23:17:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 565 transitions. [2021-11-22 23:17:59,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:59,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 370 states and 568 transitions. [2021-11-22 23:17:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 568 transitions. [2021-11-22 23:17:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:59,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 374 states and 571 transitions. [2021-11-22 23:17:59,630 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 571 transitions. [2021-11-22 23:17:59,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:59,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,946 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:18:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 376 states and 573 transitions. [2021-11-22 23:18:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 573 transitions. [2021-11-22 23:18:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:01,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,081 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:18:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 378 states and 580 transitions. [2021-11-22 23:18:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 580 transitions. [2021-11-22 23:18:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:04,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:18:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 379 states and 581 transitions. [2021-11-22 23:18:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 581 transitions. [2021-11-22 23:18:05,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:05,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 5 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:18:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 386 states and 587 transitions. [2021-11-22 23:18:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 587 transitions. [2021-11-22 23:18:09,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:18:09,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 39 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:17,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 399 states and 611 transitions. [2021-11-22 23:18:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 611 transitions. [2021-11-22 23:18:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:18:17,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 39 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 401 states and 616 transitions. [2021-11-22 23:18:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 616 transitions. [2021-11-22 23:18:19,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:18:19,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:18:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 403 states and 621 transitions. [2021-11-22 23:18:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 621 transitions. [2021-11-22 23:18:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:18:21,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:18:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 404 states and 622 transitions. [2021-11-22 23:18:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 622 transitions. [2021-11-22 23:18:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:18:23,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 25 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 415 states and 639 transitions. [2021-11-22 23:18:35,433 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 639 transitions. [2021-11-22 23:18:35,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:18:35,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 25 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:38,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 416 states and 639 transitions. [2021-11-22 23:18:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 639 transitions. [2021-11-22 23:18:38,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:18:38,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,240 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 6 proven. 59 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:18:38,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 420 states and 642 transitions. [2021-11-22 23:18:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 642 transitions. [2021-11-22 23:18:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:18:38,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 6 proven. 59 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:18:38,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 424 states and 645 transitions. [2021-11-22 23:18:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 645 transitions. [2021-11-22 23:18:38,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:18:38,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 6 proven. 59 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:18:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 431 states and 652 transitions. [2021-11-22 23:18:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 652 transitions. [2021-11-22 23:18:41,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:18:41,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 6 proven. 59 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:18:41,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 435 states and 655 transitions. [2021-11-22 23:18:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 655 transitions. [2021-11-22 23:18:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:18:41,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 6 proven. 59 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:18:43,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 439 states and 658 transitions. [2021-11-22 23:18:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2021-11-22 23:18:43,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:18:43,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:18:43,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 438 states and 655 transitions. [2021-11-22 23:18:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 655 transitions. [2021-11-22 23:18:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:18:43,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:18:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 443 states and 663 transitions. [2021-11-22 23:18:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 663 transitions. [2021-11-22 23:18:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:18:46,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:18:47,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 447 states and 668 transitions. [2021-11-22 23:18:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 668 transitions. [2021-11-22 23:18:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:18:47,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,043 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 39 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 451 states and 671 transitions. [2021-11-22 23:18:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 671 transitions. [2021-11-22 23:18:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:18:48,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 39 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 455 states and 674 transitions. [2021-11-22 23:18:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 674 transitions. [2021-11-22 23:18:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:18:48,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:18:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 459 states and 679 transitions. [2021-11-22 23:18:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 679 transitions. [2021-11-22 23:18:49,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:18:49,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:18:51,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 460 states and 681 transitions. [2021-11-22 23:18:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 681 transitions. [2021-11-22 23:18:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:18:51,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 60 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-22 23:18:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 469 states and 700 transitions. [2021-11-22 23:18:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 700 transitions. [2021-11-22 23:18:58,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:18:58,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 60 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-22 23:19:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 476 states and 709 transitions. [2021-11-22 23:19:06,131 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 709 transitions. [2021-11-22 23:19:06,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:19:06,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 78 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:19:11,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 482 states and 720 transitions. [2021-11-22 23:19:11,147 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 720 transitions. [2021-11-22 23:19:11,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:19:11,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 78 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:19:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 484 states and 722 transitions. [2021-11-22 23:19:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 722 transitions. [2021-11-22 23:19:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:19:13,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:13,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 25 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:13,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 488 states and 725 transitions. [2021-11-22 23:19:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 725 transitions. [2021-11-22 23:19:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:19:13,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:13,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 25 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:13,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:13,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 492 states and 728 transitions. [2021-11-22 23:19:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 728 transitions. [2021-11-22 23:19:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:19:13,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:13,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:14,046 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-22 23:19:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 511 states and 753 transitions. [2021-11-22 23:19:23,312 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 753 transitions. [2021-11-22 23:19:23,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:19:23,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,348 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-22 23:19:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 515 states and 758 transitions. [2021-11-22 23:19:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 758 transitions. [2021-11-22 23:19:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:19:25,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 61 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 528 states and 782 transitions. [2021-11-22 23:19:36,370 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 782 transitions. [2021-11-22 23:19:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:19:36,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:36,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 61 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:39,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 530 states and 787 transitions. [2021-11-22 23:19:39,387 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 787 transitions. [2021-11-22 23:19:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:19:39,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:19:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 534 states and 790 transitions. [2021-11-22 23:19:39,504 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 790 transitions. [2021-11-22 23:19:39,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:19:39,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 36 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 545 states and 807 transitions. [2021-11-22 23:19:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 807 transitions. [2021-11-22 23:19:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:19:55,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:55,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 36 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 546 states and 807 transitions. [2021-11-22 23:19:58,260 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 807 transitions. [2021-11-22 23:19:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:19:58,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:58,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 60 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-22 23:20:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:02,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 553 states and 813 transitions. [2021-11-22 23:20:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 813 transitions. [2021-11-22 23:20:02,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:20:02,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:02,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 60 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-22 23:20:02,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:02,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 557 states and 816 transitions. [2021-11-22 23:20:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 816 transitions. [2021-11-22 23:20:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:20:02,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:02,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:02,635 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 78 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:20:04,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:04,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 561 states and 821 transitions. [2021-11-22 23:20:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 821 transitions. [2021-11-22 23:20:04,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:20:04,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:04,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 78 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:20:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 562 states and 823 transitions. [2021-11-22 23:20:05,997 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 823 transitions. [2021-11-22 23:20:05,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:20:05,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:05,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:07,362 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:20:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 589 states and 870 transitions. [2021-11-22 23:20:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 870 transitions. [2021-11-22 23:20:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:20:28,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:28,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:28,561 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:20:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 596 states and 880 transitions. [2021-11-22 23:20:33,883 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 880 transitions. [2021-11-22 23:20:33,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:20:33,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-22 23:20:33,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 600 states and 883 transitions. [2021-11-22 23:20:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 883 transitions. [2021-11-22 23:20:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:20:33,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-22 23:20:34,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 604 states and 886 transitions. [2021-11-22 23:20:34,046 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 886 transitions. [2021-11-22 23:20:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:20:34,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-22 23:20:34,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 608 states and 889 transitions. [2021-11-22 23:20:34,138 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 889 transitions. [2021-11-22 23:20:34,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:20:34,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 57 proven. 54 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 625 states and 917 transitions. [2021-11-22 23:21:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 917 transitions. [2021-11-22 23:21:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:21:11,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:11,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 57 proven. 54 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 628 states and 919 transitions. [2021-11-22 23:21:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 919 transitions. [2021-11-22 23:21:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:21:16,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:16,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 61 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:16,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 632 states and 922 transitions. [2021-11-22 23:21:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 922 transitions. [2021-11-22 23:21:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:21:16,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:16,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 61 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:16,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:16,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 636 states and 925 transitions. [2021-11-22 23:21:16,898 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 925 transitions. [2021-11-22 23:21:16,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:21:16,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:16,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 36 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 640 states and 928 transitions. [2021-11-22 23:21:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 928 transitions. [2021-11-22 23:21:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:21:17,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:17,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:17,235 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 36 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 644 states and 931 transitions. [2021-11-22 23:21:17,322 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 931 transitions. [2021-11-22 23:21:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:21:17,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:17,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:19,454 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 88 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 657 states and 955 transitions. [2021-11-22 23:21:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 955 transitions. [2021-11-22 23:21:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:21:30,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:30,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 88 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 659 states and 960 transitions. [2021-11-22 23:21:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 960 transitions. [2021-11-22 23:21:34,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:21:34,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:21:34,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 663 states and 963 transitions. [2021-11-22 23:21:34,420 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 963 transitions. [2021-11-22 23:21:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:21:34,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:21:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 667 states and 966 transitions. [2021-11-22 23:21:34,533 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 966 transitions. [2021-11-22 23:21:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:21:34,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:21:34,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 671 states and 969 transitions. [2021-11-22 23:21:34,658 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 969 transitions. [2021-11-22 23:21:34,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:21:34,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:21:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 678 states and 975 transitions. [2021-11-22 23:21:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 975 transitions. [2021-11-22 23:21:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:21:39,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:21:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 682 states and 978 transitions. [2021-11-22 23:21:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 978 transitions. [2021-11-22 23:21:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:21:39,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:21:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 686 states and 981 transitions. [2021-11-22 23:21:39,984 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 981 transitions. [2021-11-22 23:21:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:21:39,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 61 proven. 54 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:59,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 681 states and 974 transitions. [2021-11-22 23:21:59,837 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 974 transitions. [2021-11-22 23:21:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:21:59,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:59,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:59,880 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-11-22 23:22:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 685 states and 979 transitions. [2021-11-22 23:22:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 979 transitions. [2021-11-22 23:22:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:22:01,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:01,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 57 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:22:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:44,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 706 states and 1010 transitions. [2021-11-22 23:22:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1010 transitions. [2021-11-22 23:22:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:22:44,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:44,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-11-22 23:22:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 707 states and 1012 transitions. [2021-11-22 23:22:46,226 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1012 transitions. [2021-11-22 23:22:46,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:22:46,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:46,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-11-22 23:22:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 711 states and 1015 transitions. [2021-11-22 23:22:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1015 transitions. [2021-11-22 23:22:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:22:46,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:46,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 27 proven. 142 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:22:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 716 states and 1020 transitions. [2021-11-22 23:22:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1020 transitions. [2021-11-22 23:22:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:22:56,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:04,200 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 49 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 727 states and 1037 transitions. [2021-11-22 23:23:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1037 transitions. [2021-11-22 23:23:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:23:19,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:19,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 49 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 728 states and 1037 transitions. [2021-11-22 23:23:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1037 transitions. [2021-11-22 23:23:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:23:23,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:23,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 105 proven. 41 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:23:41,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 741 states and 1061 transitions. [2021-11-22 23:23:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1061 transitions. [2021-11-22 23:23:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:23:41,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:41,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 105 proven. 41 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:23:48,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 748 states and 1070 transitions. [2021-11-22 23:23:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1070 transitions. [2021-11-22 23:23:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:23:48,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:48,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 62 proven. 18 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-22 23:23:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:57,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 758 states and 1095 transitions. [2021-11-22 23:23:57,870 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1095 transitions. [2021-11-22 23:23:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:23:57,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:57,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 62 proven. 18 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-22 23:24:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:01,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 760 states and 1099 transitions. [2021-11-22 23:24:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1099 transitions. [2021-11-22 23:24:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:24:01,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:01,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 88 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 764 states and 1102 transitions. [2021-11-22 23:24:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1102 transitions. [2021-11-22 23:24:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:24:01,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:01,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 88 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:01,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:01,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 768 states and 1105 transitions. [2021-11-22 23:24:01,766 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1105 transitions. [2021-11-22 23:24:01,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:24:01,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:01,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 12 proven. 134 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-22 23:24:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 773 states and 1111 transitions. [2021-11-22 23:24:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1111 transitions. [2021-11-22 23:24:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:24:09,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:09,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 49 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 777 states and 1114 transitions. [2021-11-22 23:24:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1114 transitions. [2021-11-22 23:24:09,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:24:09,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:09,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:09,424 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 49 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 781 states and 1117 transitions. [2021-11-22 23:24:09,502 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1117 transitions. [2021-11-22 23:24:09,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:24:09,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:09,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 120 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:26,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:26,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 794 states and 1141 transitions. [2021-11-22 23:24:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1141 transitions. [2021-11-22 23:24:26,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:24:26,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:26,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 120 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 796 states and 1146 transitions. [2021-11-22 23:24:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1146 transitions. [2021-11-22 23:24:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:24:30,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:30,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 105 proven. 41 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:24:36,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:36,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 803 states and 1152 transitions. [2021-11-22 23:24:36,387 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1152 transitions. [2021-11-22 23:24:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:24:36,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:36,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 105 proven. 41 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:24:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 807 states and 1155 transitions. [2021-11-22 23:24:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1155 transitions. [2021-11-22 23:24:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:24:36,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:36,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 105 proven. 41 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:24:36,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:36,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 811 states and 1158 transitions. [2021-11-22 23:24:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1158 transitions. [2021-11-22 23:24:36,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:24:36,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:36,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 62 proven. 18 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-22 23:24:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:36,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 815 states and 1161 transitions. [2021-11-22 23:24:36,939 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1161 transitions. [2021-11-22 23:24:36,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:24:36,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:36,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 62 proven. 18 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-22 23:24:40,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 820 states and 1165 transitions. [2021-11-22 23:24:40,539 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1165 transitions. [2021-11-22 23:24:40,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:24:40,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:40,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 27 proven. 163 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:25:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 852 states and 1217 transitions. [2021-11-22 23:25:12,311 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1217 transitions. [2021-11-22 23:25:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:25:12,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 27 proven. 163 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:25:19,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 859 states and 1227 transitions. [2021-11-22 23:25:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1227 transitions. [2021-11-22 23:25:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:25:19,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 12 proven. 134 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-22 23:25:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 863 states and 1230 transitions. [2021-11-22 23:25:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1230 transitions. [2021-11-22 23:25:20,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:25:20,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,616 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 64 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:49,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 874 states and 1247 transitions. [2021-11-22 23:25:49,613 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1247 transitions. [2021-11-22 23:25:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:25:49,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:49,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 64 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:54,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 875 states and 1247 transitions. [2021-11-22 23:25:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1247 transitions. [2021-11-22 23:25:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:25:54,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 120 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 879 states and 1250 transitions. [2021-11-22 23:25:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1250 transitions. [2021-11-22 23:25:54,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:25:54,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 120 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 883 states and 1253 transitions. [2021-11-22 23:25:54,497 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1253 transitions. [2021-11-22 23:25:54,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:25:54,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 27 proven. 163 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:25:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 887 states and 1256 transitions. [2021-11-22 23:25:54,623 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1256 transitions. [2021-11-22 23:25:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:25:54,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 27 proven. 163 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:25:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 891 states and 1259 transitions. [2021-11-22 23:25:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1259 transitions. [2021-11-22 23:25:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:25:54,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 27 proven. 163 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:25:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 895 states and 1262 transitions. [2021-11-22 23:25:54,869 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1262 transitions. [2021-11-22 23:25:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:25:54,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 27 proven. 163 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:25:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 899 states and 1265 transitions. [2021-11-22 23:25:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1265 transitions. [2021-11-22 23:25:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:25:54,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 27 proven. 163 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:26:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 906 states and 1271 transitions. [2021-11-22 23:26:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1271 transitions. [2021-11-22 23:26:01,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:26:01,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:01,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:01,360 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 27 proven. 163 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:26:01,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 910 states and 1274 transitions. [2021-11-22 23:26:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1274 transitions. [2021-11-22 23:26:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:26:01,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:01,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:01,513 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 27 proven. 163 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:26:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 914 states and 1277 transitions. [2021-11-22 23:26:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1277 transitions. [2021-11-22 23:26:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:26:01,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:01,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 64 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:01,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:01,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 918 states and 1280 transitions. [2021-11-22 23:26:01,818 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1280 transitions. [2021-11-22 23:26:01,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:26:01,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:01,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 64 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 922 states and 1283 transitions. [2021-11-22 23:26:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1283 transitions. [2021-11-22 23:26:02,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:26:02,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:02,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:02,079 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 34 proven. 210 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-22 23:26:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 929 states and 1295 transitions. [2021-11-22 23:26:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1295 transitions. [2021-11-22 23:26:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:26:09,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:09,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:09,989 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 34 proven. 210 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-22 23:26:15,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 932 states and 1297 transitions. [2021-11-22 23:26:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1297 transitions. [2021-11-22 23:26:15,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:26:15,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:15,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 157 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:34,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 945 states and 1321 transitions. [2021-11-22 23:26:34,613 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1321 transitions. [2021-11-22 23:26:34,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:26:34,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:34,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:34,681 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 157 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:39,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 947 states and 1326 transitions. [2021-11-22 23:26:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1326 transitions. [2021-11-22 23:26:39,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:26:39,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:39,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:40,483 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 39 proven. 178 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.