./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 01a4b84af22ba9336b377376d27423612474043c2c250fad1845bccdee580746 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:34:16,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:34:16,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:34:17,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:34:17,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:34:17,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:34:17,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:34:17,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:34:17,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:34:17,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:34:17,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:34:17,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:34:17,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:34:17,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:34:17,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:34:17,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:34:17,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:34:17,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:34:17,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:34:17,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:34:17,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:34:17,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:34:17,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:34:17,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:34:17,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:34:17,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:34:17,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:34:17,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:34:17,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:34:17,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:34:17,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:34:17,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:34:17,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:34:17,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:34:17,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:34:17,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:34:17,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:34:17,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:34:17,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:34:17,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:34:17,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:34:17,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 22:34:17,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:34:17,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:34:17,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:34:17,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:34:17,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:34:17,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:34:17,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:34:17,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:34:17,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:34:17,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:34:17,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:34:17,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:34:17,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:34:17,158 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 22:34:17,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:34:17,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:34:17,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:34:17,159 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:34:17,159 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:34:17,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:34:17,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:34:17,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:34:17,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:34:17,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:34:17,160 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:34:17,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:34:17,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:34:17,160 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_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01a4b84af22ba9336b377376d27423612474043c2c250fad1845bccdee580746 [2021-11-13 22:34:17,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:34:17,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:34:17,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:34:17,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:34:17,509 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:34:17,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-2.c [2021-11-13 22:34:17,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/data/1293989b3/48d4687c1b044f0cb929412a3e53a325/FLAG0ba259a8a [2021-11-13 22:34:18,123 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:34:18,124 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-2.c [2021-11-13 22:34:18,140 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/data/1293989b3/48d4687c1b044f0cb929412a3e53a325/FLAG0ba259a8a [2021-11-13 22:34:18,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/data/1293989b3/48d4687c1b044f0cb929412a3e53a325 [2021-11-13 22:34:18,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:34:18,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:34:18,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:34:18,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:34:18,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:34:18,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c873ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18, skipping insertion in model container [2021-11-13 22:34:18,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:34:18,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:34:18,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:34:18,762 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:34:18,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:34:18,791 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:34:18,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18 WrapperNode [2021-11-13 22:34:18,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:34:18,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:34:18,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:34:18,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:34:18,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:34:18,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:34:18,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:34:18,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:34:18,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:34:18,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:34:18,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:34:18,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:34:18,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:18" (1/1) ... [2021-11-13 22:34:18,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:34:18,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:34:18,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:34:18,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c61e324-74b9-44c6-8be5-1adcf32f33b4/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:34:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:34:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:34:19,210 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:34:19,210 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 22:34:19,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:34:19 BoogieIcfgContainer [2021-11-13 22:34:19,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:34:19,214 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:34:19,215 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:34:19,226 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:34:19,226 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:34:19" (1/1) ... [2021-11-13 22:34:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:34:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:19,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-11-13 22:34:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-13 22:34:19,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:34:19,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:19,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:19,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2021-11-13 22:34:19,545 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2021-11-13 22:34:19,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:34:19,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:19,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:19,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-13 22:34:19,706 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-13 22:34:19,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:34:19,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:19,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:19,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:19,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2021-11-13 22:34:19,873 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2021-11-13 22:34:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:34:19,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:19,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:20,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2021-11-13 22:34:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2021-11-13 22:34:20,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:34:20,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:20,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2021-11-13 22:34:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2021-11-13 22:34:20,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:34:20,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:20,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:20,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2021-11-13 22:34:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2021-11-13 22:34:20,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:34:20,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:20,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2021-11-13 22:34:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2021-11-13 22:34:20,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:34:20,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:20,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:20,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 78 transitions. [2021-11-13 22:34:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2021-11-13 22:34:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:34:20,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:20,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:21,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2021-11-13 22:34:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2021-11-13 22:34:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:34:21,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:21,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2021-11-13 22:34:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2021-11-13 22:34:21,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:34:21,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:21,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:21,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2021-11-13 22:34:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2021-11-13 22:34:21,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:34:21,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:21,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:21,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 91 transitions. [2021-11-13 22:34:21,808 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2021-11-13 22:34:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:34:21,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:21,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 61 states and 110 transitions. [2021-11-13 22:34:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2021-11-13 22:34:22,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:34:22,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:22,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:34:23,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 123 transitions. [2021-11-13 22:34:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 123 transitions. [2021-11-13 22:34:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:34:23,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:23,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:34:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:23,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 68 states and 126 transitions. [2021-11-13 22:34:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2021-11-13 22:34:23,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:34:23,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:23,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:24,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 70 states and 130 transitions. [2021-11-13 22:34:24,081 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 130 transitions. [2021-11-13 22:34:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:34:24,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:24,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:24,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:24,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 136 transitions. [2021-11-13 22:34:24,518 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 136 transitions. [2021-11-13 22:34:24,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:24,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:24,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:34:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:26,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 85 states and 168 transitions. [2021-11-13 22:34:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 168 transitions. [2021-11-13 22:34:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:26,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:26,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:34:26,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:26,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 170 transitions. [2021-11-13 22:34:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 170 transitions. [2021-11-13 22:34:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:26,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:26,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2021-11-13 22:34:26,691 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2021-11-13 22:34:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:26,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:26,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2021-11-13 22:34:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2021-11-13 22:34:27,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:27,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:27,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:34:30,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 218 transitions. [2021-11-13 22:34:30,182 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 218 transitions. [2021-11-13 22:34:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:30,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:30,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 107 states and 221 transitions. [2021-11-13 22:34:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 221 transitions. [2021-11-13 22:34:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:30,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:30,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:30,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:34:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 110 states and 230 transitions. [2021-11-13 22:34:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 230 transitions. [2021-11-13 22:34:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:31,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:31,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:34:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 113 states and 236 transitions. [2021-11-13 22:34:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 236 transitions. [2021-11-13 22:34:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:32,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:32,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:32,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:34:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:32,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 115 states and 242 transitions. [2021-11-13 22:34:32,528 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 242 transitions. [2021-11-13 22:34:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:34:32,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:32,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:34:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 116 states and 242 transitions. [2021-11-13 22:34:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 242 transitions. [2021-11-13 22:34:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:34:32,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:32,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:34:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 117 states and 244 transitions. [2021-11-13 22:34:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 244 transitions. [2021-11-13 22:34:33,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:34:33,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:33,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:34:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:33,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 118 states and 244 transitions. [2021-11-13 22:34:33,338 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 244 transitions. [2021-11-13 22:34:33,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:34:33,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:33,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:34:33,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:33,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 119 states and 245 transitions. [2021-11-13 22:34:33,617 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 245 transitions. [2021-11-13 22:34:33,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:34:33,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:33,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:34:33,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 119 states and 244 transitions. [2021-11-13 22:34:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 244 transitions. [2021-11-13 22:34:33,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:34:33,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:33,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:34:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:34,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 121 states and 247 transitions. [2021-11-13 22:34:34,429 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 247 transitions. [2021-11-13 22:34:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:34:34,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:34,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 124 states and 257 transitions. [2021-11-13 22:34:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 257 transitions. [2021-11-13 22:34:35,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:34:35,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:35,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:34:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 126 states and 258 transitions. [2021-11-13 22:34:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 258 transitions. [2021-11-13 22:34:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:34:35,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:35,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:34:36,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:36,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 130 states and 268 transitions. [2021-11-13 22:34:36,270 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 268 transitions. [2021-11-13 22:34:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:34:36,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:36,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:34:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 132 states and 269 transitions. [2021-11-13 22:34:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 269 transitions. [2021-11-13 22:34:36,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:34:36,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:36,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 139 states and 282 transitions. [2021-11-13 22:34:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 282 transitions. [2021-11-13 22:34:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:34:37,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:37,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:34:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 140 states and 290 transitions. [2021-11-13 22:34:38,340 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 290 transitions. [2021-11-13 22:34:38,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:34:38,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:38,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:34:38,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 143 states and 293 transitions. [2021-11-13 22:34:38,734 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 293 transitions. [2021-11-13 22:34:38,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:34:38,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:38,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:34:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 147 states and 298 transitions. [2021-11-13 22:34:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 298 transitions. [2021-11-13 22:34:39,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:34:39,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:39,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:39,521 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:34:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 149 states and 300 transitions. [2021-11-13 22:34:40,195 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 300 transitions. [2021-11-13 22:34:40,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:40,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:40,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 22:34:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 151 states and 309 transitions. [2021-11-13 22:34:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 309 transitions. [2021-11-13 22:34:40,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:40,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:40,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:40,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 155 states and 318 transitions. [2021-11-13 22:34:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 318 transitions. [2021-11-13 22:34:42,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:42,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:42,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:34:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 157 states and 319 transitions. [2021-11-13 22:34:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 319 transitions. [2021-11-13 22:34:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:42,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:42,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:42,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:34:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:42,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 158 states and 320 transitions. [2021-11-13 22:34:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 320 transitions. [2021-11-13 22:34:42,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:42,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:42,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:34:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 159 states and 322 transitions. [2021-11-13 22:34:43,059 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 322 transitions. [2021-11-13 22:34:43,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:43,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:43,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:43,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:34:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 161 states and 328 transitions. [2021-11-13 22:34:43,717 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 328 transitions. [2021-11-13 22:34:43,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:43,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:43,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 22:34:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:44,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 162 states and 328 transitions. [2021-11-13 22:34:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 328 transitions. [2021-11-13 22:34:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:34:44,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:44,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 22:34:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 163 states and 328 transitions. [2021-11-13 22:34:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 328 transitions. [2021-11-13 22:34:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:34:44,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:44,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:44,387 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:34:44,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 163 states and 327 transitions. [2021-11-13 22:34:44,824 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 327 transitions. [2021-11-13 22:34:44,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:34:44,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:44,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:34:45,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:45,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 165 states and 328 transitions. [2021-11-13 22:34:45,227 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 328 transitions. [2021-11-13 22:34:45,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:34:45,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:45,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:45,510 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:34:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 168 states and 338 transitions. [2021-11-13 22:34:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 338 transitions. [2021-11-13 22:34:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:46,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:46,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 22:34:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:46,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 168 states and 336 transitions. [2021-11-13 22:34:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 336 transitions. [2021-11-13 22:34:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:46,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:46,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:48,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:48,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 171 states and 341 transitions. [2021-11-13 22:34:48,886 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 341 transitions. [2021-11-13 22:34:48,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:48,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:48,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 22:34:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 173 states and 342 transitions. [2021-11-13 22:34:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 342 transitions. [2021-11-13 22:34:48,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:48,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:48,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 177 states and 351 transitions. [2021-11-13 22:34:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 351 transitions. [2021-11-13 22:34:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:49,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:49,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 180 states and 356 transitions. [2021-11-13 22:34:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 356 transitions. [2021-11-13 22:34:51,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:51,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:51,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:34:51,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 183 states and 359 transitions. [2021-11-13 22:34:51,966 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 359 transitions. [2021-11-13 22:34:51,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:51,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:51,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:51,978 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 22:34:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 187 states and 366 transitions. [2021-11-13 22:34:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 366 transitions. [2021-11-13 22:34:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:34:52,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:52,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:34:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 191 states and 374 transitions. [2021-11-13 22:34:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 374 transitions. [2021-11-13 22:34:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:34:54,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:54,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 22:34:54,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:54,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 192 states and 377 transitions. [2021-11-13 22:34:54,998 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 377 transitions. [2021-11-13 22:34:54,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:34:54,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:54,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:34:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:56,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 197 states and 383 transitions. [2021-11-13 22:34:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 383 transitions. [2021-11-13 22:34:56,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:34:56,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:56,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:34:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 201 states and 389 transitions. [2021-11-13 22:34:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 389 transitions. [2021-11-13 22:34:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:34:58,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:58,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:34:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 202 states and 390 transitions. [2021-11-13 22:34:58,470 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 390 transitions. [2021-11-13 22:34:58,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:34:58,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:58,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 22:34:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:58,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 203 states and 390 transitions. [2021-11-13 22:34:58,869 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 390 transitions. [2021-11-13 22:34:58,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:34:58,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:58,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:34:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 204 states and 393 transitions. [2021-11-13 22:34:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 393 transitions. [2021-11-13 22:34:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:34:59,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:59,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 22:34:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 206 states and 394 transitions. [2021-11-13 22:34:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 394 transitions. [2021-11-13 22:34:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:34:59,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:59,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:35:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 209 states and 406 transitions. [2021-11-13 22:35:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 406 transitions. [2021-11-13 22:35:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:35:01,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:01,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:35:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 215 states and 415 transitions. [2021-11-13 22:35:03,673 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 415 transitions. [2021-11-13 22:35:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:35:03,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:03,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 22:35:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 219 states and 421 transitions. [2021-11-13 22:35:05,187 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 421 transitions. [2021-11-13 22:35:05,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:35:05,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:05,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 22:35:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 219 states and 419 transitions. [2021-11-13 22:35:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 419 transitions. [2021-11-13 22:35:05,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:35:05,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:05,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 22:35:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 222 states and 425 transitions. [2021-11-13 22:35:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 425 transitions. [2021-11-13 22:35:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:35:06,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:06,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:35:08,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 225 states and 430 transitions. [2021-11-13 22:35:08,808 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 430 transitions. [2021-11-13 22:35:08,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:35:08,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:08,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 22:35:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 228 states and 434 transitions. [2021-11-13 22:35:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 434 transitions. [2021-11-13 22:35:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:35:09,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:09,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:35:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 232 states and 444 transitions. [2021-11-13 22:35:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 444 transitions. [2021-11-13 22:35:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:35:11,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:11,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 22:35:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 235 states and 447 transitions. [2021-11-13 22:35:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 447 transitions. [2021-11-13 22:35:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:35:12,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:12,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:35:14,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 241 states and 456 transitions. [2021-11-13 22:35:14,631 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 456 transitions. [2021-11-13 22:35:14,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:35:14,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:14,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 22:35:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 245 states and 464 transitions. [2021-11-13 22:35:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 464 transitions. [2021-11-13 22:35:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:35:16,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:16,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:16,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:35:17,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 247 states and 469 transitions. [2021-11-13 22:35:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 469 transitions. [2021-11-13 22:35:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:35:17,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:17,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 22:35:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:18,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 248 states and 469 transitions. [2021-11-13 22:35:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 469 transitions. [2021-11-13 22:35:18,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:35:18,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:18,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 22:35:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:20,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 253 states and 476 transitions. [2021-11-13 22:35:20,214 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 476 transitions. [2021-11-13 22:35:20,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:35:20,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:20,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 22:35:20,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 255 states and 477 transitions. [2021-11-13 22:35:20,749 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 477 transitions. [2021-11-13 22:35:20,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:35:20,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:20,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:35:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 258 states and 489 transitions. [2021-11-13 22:35:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 489 transitions. [2021-11-13 22:35:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:35:22,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:22,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:35:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:24,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 264 states and 498 transitions. [2021-11-13 22:35:24,138 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 498 transitions. [2021-11-13 22:35:24,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:35:24,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:24,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 22:35:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 265 states and 499 transitions. [2021-11-13 22:35:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 499 transitions. [2021-11-13 22:35:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:24,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:24,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 22:35:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 271 states and 506 transitions. [2021-11-13 22:35:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 506 transitions. [2021-11-13 22:35:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:26,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:26,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-13 22:35:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:26,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 273 states and 507 transitions. [2021-11-13 22:35:26,768 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 507 transitions. [2021-11-13 22:35:26,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:26,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:26,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 22:35:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 276 states and 512 transitions. [2021-11-13 22:35:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 512 transitions. [2021-11-13 22:35:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:27,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:27,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:35:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 279 states and 517 transitions. [2021-11-13 22:35:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 517 transitions. [2021-11-13 22:35:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:30,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:30,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:35:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 283 states and 528 transitions. [2021-11-13 22:35:32,563 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 528 transitions. [2021-11-13 22:35:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:32,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:32,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:32,579 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 22:35:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 286 states and 531 transitions. [2021-11-13 22:35:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 531 transitions. [2021-11-13 22:35:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:33,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:33,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-13 22:35:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 289 states and 535 transitions. [2021-11-13 22:35:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 535 transitions. [2021-11-13 22:35:34,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:35:34,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:34,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 22:35:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:35,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 289 states and 534 transitions. [2021-11-13 22:35:35,197 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 534 transitions. [2021-11-13 22:35:35,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:35:35,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:35,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:35:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 289 states and 533 transitions. [2021-11-13 22:35:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 533 transitions. [2021-11-13 22:35:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:35:36,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:36,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:35:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:37,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 290 states and 534 transitions. [2021-11-13 22:35:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 534 transitions. [2021-11-13 22:35:37,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:35:37,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:37,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:35:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:40,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 296 states and 543 transitions. [2021-11-13 22:35:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 543 transitions. [2021-11-13 22:35:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:35:40,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:40,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:40,033 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 22:35:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:41,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 299 states and 547 transitions. [2021-11-13 22:35:41,960 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 547 transitions. [2021-11-13 22:35:41,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:35:41,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:41,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 22:35:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 300 states and 548 transitions. [2021-11-13 22:35:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 548 transitions. [2021-11-13 22:35:42,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:35:42,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:42,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:35:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 302 states and 551 transitions. [2021-11-13 22:35:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 551 transitions. [2021-11-13 22:35:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:35:43,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:43,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 22:35:46,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:46,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 308 states and 562 transitions. [2021-11-13 22:35:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 562 transitions. [2021-11-13 22:35:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:35:46,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:46,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:35:48,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:48,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 311 states and 574 transitions. [2021-11-13 22:35:48,128 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 574 transitions. [2021-11-13 22:35:48,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:35:48,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:48,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 22:35:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 313 states and 575 transitions. [2021-11-13 22:35:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 575 transitions. [2021-11-13 22:35:48,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:35:48,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:48,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 22:35:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 314 states and 575 transitions. [2021-11-13 22:35:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 575 transitions. [2021-11-13 22:35:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:35:49,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:49,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 22:35:50,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 320 states and 582 transitions. [2021-11-13 22:35:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 582 transitions. [2021-11-13 22:35:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:35:50,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:50,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 22:35:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 323 states and 587 transitions. [2021-11-13 22:35:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 587 transitions. [2021-11-13 22:35:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:35:53,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:53,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:35:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 327 states and 598 transitions. [2021-11-13 22:35:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 598 transitions. [2021-11-13 22:35:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:35:56,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:56,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-13 22:35:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:57,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 330 states and 601 transitions. [2021-11-13 22:35:57,176 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 601 transitions. [2021-11-13 22:35:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:35:57,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:57,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:57,187 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-13 22:35:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:58,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 333 states and 607 transitions. [2021-11-13 22:35:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 607 transitions. [2021-11-13 22:35:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:35:58,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:58,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-13 22:35:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 336 states and 611 transitions. [2021-11-13 22:35:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 611 transitions. [2021-11-13 22:35:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:35:59,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:59,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 22:36:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:00,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 337 states and 612 transitions. [2021-11-13 22:36:00,914 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 612 transitions. [2021-11-13 22:36:00,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:36:00,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:00,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:36:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:03,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 343 states and 621 transitions. [2021-11-13 22:36:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 621 transitions. [2021-11-13 22:36:03,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:36:03,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:03,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:36:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 345 states and 624 transitions. [2021-11-13 22:36:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 624 transitions. [2021-11-13 22:36:04,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:36:04,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:04,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 22:36:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 348 states and 628 transitions. [2021-11-13 22:36:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 628 transitions. [2021-11-13 22:36:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:06,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:06,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-13 22:36:07,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 350 states and 629 transitions. [2021-11-13 22:36:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 629 transitions. [2021-11-13 22:36:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:07,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:07,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:36:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 353 states and 641 transitions. [2021-11-13 22:36:09,697 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 641 transitions. [2021-11-13 22:36:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:09,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:09,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:36:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 359 states and 650 transitions. [2021-11-13 22:36:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 650 transitions. [2021-11-13 22:36:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:11,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:11,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 22:36:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 360 states and 650 transitions. [2021-11-13 22:36:12,363 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 650 transitions. [2021-11-13 22:36:12,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:36:12,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:12,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-13 22:36:14,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 366 states and 658 transitions. [2021-11-13 22:36:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 658 transitions. [2021-11-13 22:36:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:36:14,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:14,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:14,431 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 22:36:17,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 369 states and 663 transitions. [2021-11-13 22:36:17,626 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 663 transitions. [2021-11-13 22:36:17,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:36:17,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:17,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 22:36:17,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:17,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 371 states and 664 transitions. [2021-11-13 22:36:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 664 transitions. [2021-11-13 22:36:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:36:17,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:17,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-13 22:36:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 374 states and 669 transitions. [2021-11-13 22:36:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 669 transitions. [2021-11-13 22:36:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:36:18,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:18,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:36:21,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 378 states and 680 transitions. [2021-11-13 22:36:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 680 transitions. [2021-11-13 22:36:21,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:36:21,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:21,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-13 22:36:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 381 states and 683 transitions. [2021-11-13 22:36:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 683 transitions. [2021-11-13 22:36:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:36:22,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:22,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-13 22:36:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 384 states and 687 transitions. [2021-11-13 22:36:23,381 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 687 transitions. [2021-11-13 22:36:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:36:23,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:23,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 22:36:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 385 states and 688 transitions. [2021-11-13 22:36:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 688 transitions. [2021-11-13 22:36:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:36:24,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:24,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:36:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 391 states and 697 transitions. [2021-11-13 22:36:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 697 transitions. [2021-11-13 22:36:27,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:36:27,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:27,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:36:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:29,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 393 states and 700 transitions. [2021-11-13 22:36:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 700 transitions. [2021-11-13 22:36:29,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:36:29,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:29,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-13 22:36:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 396 states and 704 transitions. [2021-11-13 22:36:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 704 transitions. [2021-11-13 22:36:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:36:31,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:31,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 22:36:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 402 states and 715 transitions. [2021-11-13 22:36:33,743 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 715 transitions. [2021-11-13 22:36:33,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:36:33,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:33,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:36:36,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:36,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 405 states and 727 transitions. [2021-11-13 22:36:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 727 transitions. [2021-11-13 22:36:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:36:36,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:36,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 22:36:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 407 states and 728 transitions. [2021-11-13 22:36:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 728 transitions. [2021-11-13 22:36:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:36:37,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:37,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-13 22:36:38,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:38,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 408 states and 728 transitions. [2021-11-13 22:36:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 728 transitions. [2021-11-13 22:36:38,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:36:38,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:38,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-13 22:36:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 414 states and 735 transitions. [2021-11-13 22:36:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 735 transitions. [2021-11-13 22:36:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:36:39,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:39,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:39,595 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-13 22:36:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 417 states and 740 transitions. [2021-11-13 22:36:43,219 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 740 transitions. [2021-11-13 22:36:43,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:36:43,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:43,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-13 22:36:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 420 states and 745 transitions. [2021-11-13 22:36:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 745 transitions. [2021-11-13 22:36:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:36:44,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:44,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:44,107 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:36:47,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:47,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 424 states and 756 transitions. [2021-11-13 22:36:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 756 transitions. [2021-11-13 22:36:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:36:47,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:47,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:47,455 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-13 22:36:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 427 states and 759 transitions. [2021-11-13 22:36:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 759 transitions. [2021-11-13 22:36:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:36:48,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:48,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:48,496 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-13 22:36:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 430 states and 763 transitions. [2021-11-13 22:36:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 763 transitions. [2021-11-13 22:36:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:36:49,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:49,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 22:36:50,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:50,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 431 states and 764 transitions. [2021-11-13 22:36:50,932 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 764 transitions. [2021-11-13 22:36:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:36:50,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:50,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:36:54,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 437 states and 773 transitions. [2021-11-13 22:36:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 773 transitions. [2021-11-13 22:36:54,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:36:54,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:54,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:36:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 439 states and 776 transitions. [2021-11-13 22:36:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 776 transitions. [2021-11-13 22:36:56,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:36:56,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:56,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-13 22:36:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 442 states and 780 transitions. [2021-11-13 22:36:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 780 transitions. [2021-11-13 22:36:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 22:36:58,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:58,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:58,274 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 22:37:01,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:01,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 448 states and 791 transitions. [2021-11-13 22:37:01,078 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 791 transitions. [2021-11-13 22:37:01,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 22:37:01,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:01,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:37:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 451 states and 803 transitions. [2021-11-13 22:37:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 803 transitions. [2021-11-13 22:37:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 22:37:04,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:04,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-13 22:37:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:04,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 453 states and 804 transitions. [2021-11-13 22:37:04,859 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 804 transitions. [2021-11-13 22:37:04,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 22:37:04,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:04,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-13 22:37:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 454 states and 804 transitions. [2021-11-13 22:37:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 804 transitions. [2021-11-13 22:37:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:37:05,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:05,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:05,891 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-13 22:37:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 460 states and 812 transitions. [2021-11-13 22:37:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 812 transitions. [2021-11-13 22:37:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:37:08,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:08,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-13 22:37:12,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:12,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 463 states and 817 transitions. [2021-11-13 22:37:12,286 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 817 transitions. [2021-11-13 22:37:12,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:37:12,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:12,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-13 22:37:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:12,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 465 states and 818 transitions. [2021-11-13 22:37:12,715 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 818 transitions. [2021-11-13 22:37:12,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:37:12,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:12,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:37:16,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 469 states and 829 transitions. [2021-11-13 22:37:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 829 transitions. [2021-11-13 22:37:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:37:16,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:16,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-13 22:37:17,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 472 states and 832 transitions. [2021-11-13 22:37:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 832 transitions. [2021-11-13 22:37:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:37:17,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:17,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-13 22:37:19,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 475 states and 837 transitions. [2021-11-13 22:37:19,444 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 837 transitions. [2021-11-13 22:37:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:37:19,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:19,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:19,455 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-13 22:37:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 478 states and 841 transitions. [2021-11-13 22:37:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 841 transitions. [2021-11-13 22:37:20,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:37:20,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:20,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-13 22:37:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:22,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 479 states and 842 transitions. [2021-11-13 22:37:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 842 transitions. [2021-11-13 22:37:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:37:22,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:22,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:22,734 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:37:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 485 states and 851 transitions. [2021-11-13 22:37:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 851 transitions. [2021-11-13 22:37:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:37:26,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:26,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:37:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 487 states and 854 transitions. [2021-11-13 22:37:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 854 transitions. [2021-11-13 22:37:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:37:28,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:28,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-13 22:37:30,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:30,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 490 states and 858 transitions. [2021-11-13 22:37:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 858 transitions. [2021-11-13 22:37:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 22:37:30,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:30,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-13 22:37:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 493 states and 861 transitions. [2021-11-13 22:37:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 861 transitions. [2021-11-13 22:37:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 22:37:31,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:31,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:37:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 496 states and 873 transitions. [2021-11-13 22:37:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 873 transitions. [2021-11-13 22:37:35,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 22:37:35,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:35,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 26 proven. 14 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-13 22:37:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:37,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 502 states and 882 transitions. [2021-11-13 22:37:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 882 transitions. [2021-11-13 22:37:37,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 22:37:37,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:37,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:37,981 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-13 22:37:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 503 states and 882 transitions. [2021-11-13 22:37:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 882 transitions. [2021-11-13 22:37:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:37:38,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:38,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-13 22:37:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 506 states and 886 transitions. [2021-11-13 22:37:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 886 transitions. [2021-11-13 22:37:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:37:40,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:40,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:40,305 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-13 22:37:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 509 states and 891 transitions. [2021-11-13 22:37:44,548 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 891 transitions. [2021-11-13 22:37:44,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:37:44,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:44,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-13 22:37:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 515 states and 898 transitions. [2021-11-13 22:37:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 898 transitions. [2021-11-13 22:37:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:37:46,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:46,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-13 22:37:47,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 518 states and 902 transitions. [2021-11-13 22:37:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 902 transitions. [2021-11-13 22:37:47,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:37:47,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:47,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:37:51,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:51,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 522 states and 913 transitions. [2021-11-13 22:37:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 913 transitions. [2021-11-13 22:37:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:37:51,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:51,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 22:37:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 525 states and 916 transitions. [2021-11-13 22:37:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 916 transitions. [2021-11-13 22:37:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:37:53,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:53,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-13 22:37:54,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:54,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 528 states and 920 transitions. [2021-11-13 22:37:54,094 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 920 transitions. [2021-11-13 22:37:54,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 22:37:54,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:54,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-13 22:37:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 529 states and 921 transitions. [2021-11-13 22:37:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 921 transitions. [2021-11-13 22:37:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 22:37:56,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:56,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:56,083 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:38:00,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:00,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 535 states and 930 transitions. [2021-11-13 22:38:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 930 transitions. [2021-11-13 22:38:00,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 22:38:00,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:00,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:38:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 537 states and 933 transitions. [2021-11-13 22:38:02,246 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 933 transitions. [2021-11-13 22:38:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 22:38:02,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:02,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-13 22:38:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 540 states and 937 transitions. [2021-11-13 22:38:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 937 transitions. [2021-11-13 22:38:05,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:38:05,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:05,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:05,151 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-13 22:38:06,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:06,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 542 states and 938 transitions. [2021-11-13 22:38:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 938 transitions. [2021-11-13 22:38:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:38:06,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:06,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:06,908 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:38:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 545 states and 950 transitions. [2021-11-13 22:38:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 950 transitions. [2021-11-13 22:38:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:38:10,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:10,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 29 proven. 15 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-13 22:38:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 551 states and 959 transitions. [2021-11-13 22:38:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 959 transitions. [2021-11-13 22:38:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:38:12,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:12,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-13 22:38:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 552 states and 959 transitions. [2021-11-13 22:38:13,843 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 959 transitions. [2021-11-13 22:38:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:38:13,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:13,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-13 22:38:16,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 558 states and 966 transitions. [2021-11-13 22:38:16,005 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 966 transitions. [2021-11-13 22:38:16,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:38:16,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:16,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-13 22:38:20,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 561 states and 971 transitions. [2021-11-13 22:38:20,663 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 971 transitions. [2021-11-13 22:38:20,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:38:20,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:20,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:20,673 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2021-11-13 22:38:22,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:22,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 564 states and 977 transitions. [2021-11-13 22:38:22,832 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 977 transitions. [2021-11-13 22:38:22,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:38:22,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:22,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:22,855 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:38:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 568 states and 988 transitions. [2021-11-13 22:38:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 988 transitions. [2021-11-13 22:38:27,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:38:27,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:27,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 22:38:28,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 571 states and 992 transitions. [2021-11-13 22:38:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 992 transitions. [2021-11-13 22:38:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:38:28,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:28,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:29,014 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-13 22:38:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 574 states and 995 transitions. [2021-11-13 22:38:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 995 transitions. [2021-11-13 22:38:30,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 22:38:30,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:30,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-13 22:38:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 575 states and 996 transitions. [2021-11-13 22:38:32,560 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 996 transitions. [2021-11-13 22:38:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 22:38:32,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:32,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:38:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:36,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 581 states and 1005 transitions. [2021-11-13 22:38:36,815 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1005 transitions. [2021-11-13 22:38:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 22:38:36,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:36,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:38:39,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:39,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 583 states and 1008 transitions. [2021-11-13 22:38:39,054 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1008 transitions. [2021-11-13 22:38:39,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 22:38:39,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:39,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-13 22:38:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 586 states and 1012 transitions. [2021-11-13 22:38:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1012 transitions. [2021-11-13 22:38:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 22:38:42,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:42,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-13 22:38:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 588 states and 1013 transitions. [2021-11-13 22:38:43,182 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1013 transitions. [2021-11-13 22:38:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 22:38:43,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:43,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:38:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:47,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 591 states and 1025 transitions. [2021-11-13 22:38:47,223 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1025 transitions. [2021-11-13 22:38:47,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 22:38:47,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:47,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 32 proven. 16 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-13 22:38:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 597 states and 1034 transitions. [2021-11-13 22:38:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1034 transitions. [2021-11-13 22:38:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 22:38:50,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:50,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-13 22:38:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 598 states and 1034 transitions. [2021-11-13 22:38:51,363 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1034 transitions. [2021-11-13 22:38:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:38:51,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:51,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-13 22:38:53,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 604 states and 1041 transitions. [2021-11-13 22:38:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1041 transitions. [2021-11-13 22:38:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:38:53,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:53,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 22:38:58,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:58,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 607 states and 1046 transitions. [2021-11-13 22:38:58,886 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1046 transitions. [2021-11-13 22:38:58,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:38:58,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:58,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:58,921 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:39:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 611 states and 1057 transitions. [2021-11-13 22:39:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1057 transitions. [2021-11-13 22:39:04,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:39:04,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:04,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-11-13 22:39:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 614 states and 1062 transitions. [2021-11-13 22:39:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1062 transitions. [2021-11-13 22:39:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:39:06,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:06,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:06,214 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-13 22:39:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 617 states and 1065 transitions. [2021-11-13 22:39:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1065 transitions. [2021-11-13 22:39:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:39:07,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:07,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-11-13 22:39:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 620 states and 1069 transitions. [2021-11-13 22:39:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1069 transitions. [2021-11-13 22:39:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 22:39:09,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:09,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-13 22:39:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 621 states and 1070 transitions. [2021-11-13 22:39:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1070 transitions. [2021-11-13 22:39:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 22:39:11,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:11,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:39:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 627 states and 1079 transitions. [2021-11-13 22:39:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1079 transitions. [2021-11-13 22:39:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 22:39:16,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:16,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:16,349 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:39:19,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 629 states and 1082 transitions. [2021-11-13 22:39:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1082 transitions. [2021-11-13 22:39:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 22:39:19,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:19,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-13 22:39:22,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 632 states and 1086 transitions. [2021-11-13 22:39:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1086 transitions. [2021-11-13 22:39:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 22:39:22,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:22,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-13 22:39:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:26,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 638 states and 1097 transitions. [2021-11-13 22:39:26,273 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1097 transitions. [2021-11-13 22:39:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 22:39:26,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:26,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:39:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 641 states and 1109 transitions. [2021-11-13 22:39:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1109 transitions. [2021-11-13 22:39:30,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 22:39:30,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:30,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-13 22:39:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:31,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 643 states and 1110 transitions. [2021-11-13 22:39:31,737 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1110 transitions. [2021-11-13 22:39:31,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 22:39:31,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:31,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:31,748 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-13 22:39:32,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 644 states and 1110 transitions. [2021-11-13 22:39:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1110 transitions. [2021-11-13 22:39:32,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:39:32,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:32,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:32,950 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-13 22:39:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 650 states and 1117 transitions. [2021-11-13 22:39:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1117 transitions. [2021-11-13 22:39:35,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:39:35,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:35,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-13 22:39:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:41,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 653 states and 1122 transitions. [2021-11-13 22:39:41,115 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1122 transitions. [2021-11-13 22:39:41,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:39:41,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:41,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:41,123 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-13 22:39:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 656 states and 1126 transitions. [2021-11-13 22:39:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1126 transitions. [2021-11-13 22:39:42,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:39:42,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:42,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:39:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:47,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 660 states and 1137 transitions. [2021-11-13 22:39:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1137 transitions. [2021-11-13 22:39:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:39:47,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:47,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-11-13 22:39:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 663 states and 1140 transitions. [2021-11-13 22:39:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1140 transitions. [2021-11-13 22:39:49,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:39:49,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:49,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-13 22:39:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 666 states and 1144 transitions. [2021-11-13 22:39:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1144 transitions. [2021-11-13 22:39:50,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 22:39:50,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:50,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-13 22:39:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 667 states and 1145 transitions. [2021-11-13 22:39:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1145 transitions. [2021-11-13 22:39:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 22:39:53,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:53,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 197 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:39:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 673 states and 1154 transitions. [2021-11-13 22:39:58,210 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1154 transitions. [2021-11-13 22:39:58,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 22:39:58,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:58,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 205 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:40:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 675 states and 1157 transitions. [2021-11-13 22:40:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1157 transitions. [2021-11-13 22:40:00,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 22:40:00,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:00,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:00,934 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-11-13 22:40:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 678 states and 1161 transitions. [2021-11-13 22:40:04,449 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1161 transitions. [2021-11-13 22:40:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 22:40:04,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:04,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-13 22:40:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 680 states and 1162 transitions. [2021-11-13 22:40:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1162 transitions. [2021-11-13 22:40:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 22:40:05,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:05,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:06,899 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:40:10,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 683 states and 1174 transitions. [2021-11-13 22:40:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1174 transitions. [2021-11-13 22:40:10,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 22:40:10,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:10,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 38 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-13 22:40:14,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:14,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 689 states and 1183 transitions. [2021-11-13 22:40:14,279 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1183 transitions. [2021-11-13 22:40:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 22:40:14,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:14,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-13 22:40:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 690 states and 1183 transitions. [2021-11-13 22:40:15,638 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1183 transitions. [2021-11-13 22:40:15,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:40:15,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:15,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-13 22:40:16,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 693 states and 1186 transitions. [2021-11-13 22:40:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1186 transitions. [2021-11-13 22:40:16,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:40:16,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:16,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-13 22:40:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:22,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 696 states and 1191 transitions. [2021-11-13 22:40:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1191 transitions. [2021-11-13 22:40:22,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:40:22,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:22,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-11-13 22:40:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 702 states and 1198 transitions. [2021-11-13 22:40:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1198 transitions. [2021-11-13 22:40:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:40:25,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:25,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2021-11-13 22:40:28,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 705 states and 1204 transitions. [2021-11-13 22:40:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1204 transitions. [2021-11-13 22:40:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:40:28,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:28,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:40:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 709 states and 1215 transitions. [2021-11-13 22:40:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1215 transitions. [2021-11-13 22:40:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:40:34,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:34,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2021-11-13 22:40:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 712 states and 1218 transitions. [2021-11-13 22:40:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1218 transitions. [2021-11-13 22:40:35,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:40:35,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:35,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:35,830 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-11-13 22:40:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 715 states and 1222 transitions. [2021-11-13 22:40:37,770 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1222 transitions. [2021-11-13 22:40:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 22:40:37,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:37,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-13 22:40:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 716 states and 1223 transitions. [2021-11-13 22:40:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1223 transitions. [2021-11-13 22:40:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 22:40:40,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:40,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:40,703 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:40:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 722 states and 1232 transitions. [2021-11-13 22:40:46,000 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1232 transitions. [2021-11-13 22:40:46,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 22:40:46,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:46,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:46,035 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 241 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:40:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 724 states and 1235 transitions. [2021-11-13 22:40:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1235 transitions. [2021-11-13 22:40:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 22:40:48,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:48,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2021-11-13 22:40:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 727 states and 1239 transitions. [2021-11-13 22:40:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1239 transitions. [2021-11-13 22:40:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 22:40:52,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:52,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-13 22:40:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:53,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 729 states and 1240 transitions. [2021-11-13 22:40:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1240 transitions. [2021-11-13 22:40:53,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 22:40:53,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:53,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 331 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:40:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:59,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 732 states and 1252 transitions. [2021-11-13 22:40:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1252 transitions. [2021-11-13 22:40:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 22:40:59,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:59,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-13 22:41:03,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 738 states and 1261 transitions. [2021-11-13 22:41:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1261 transitions. [2021-11-13 22:41:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 22:41:03,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:03,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-11-13 22:41:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 739 states and 1261 transitions. [2021-11-13 22:41:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1261 transitions. [2021-11-13 22:41:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:41:04,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:04,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:04,756 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2021-11-13 22:41:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 745 states and 1268 transitions. [2021-11-13 22:41:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1268 transitions. [2021-11-13 22:41:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:41:07,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:07,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-11-13 22:41:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 748 states and 1273 transitions. [2021-11-13 22:41:13,967 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1273 transitions. [2021-11-13 22:41:13,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:41:13,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:13,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:41:20,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:20,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 752 states and 1284 transitions. [2021-11-13 22:41:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1284 transitions. [2021-11-13 22:41:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:41:20,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:20,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-11-13 22:41:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 755 states and 1289 transitions. [2021-11-13 22:41:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1289 transitions. [2021-11-13 22:41:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:41:22,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:22,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2021-11-13 22:41:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 758 states and 1293 transitions. [2021-11-13 22:41:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1293 transitions. [2021-11-13 22:41:23,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:41:23,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:23,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-13 22:41:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 761 states and 1296 transitions. [2021-11-13 22:41:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1296 transitions. [2021-11-13 22:41:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:41:25,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:25,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-11-13 22:41:28,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 762 states and 1297 transitions. [2021-11-13 22:41:28,383 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1297 transitions. [2021-11-13 22:41:28,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:41:28,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:28,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:41:33,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:33,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 768 states and 1306 transitions. [2021-11-13 22:41:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1306 transitions. [2021-11-13 22:41:33,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:41:33,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:33,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:41:36,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:36,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 770 states and 1309 transitions. [2021-11-13 22:41:36,926 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1309 transitions. [2021-11-13 22:41:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:41:36,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:36,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-11-13 22:41:40,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 773 states and 1313 transitions. [2021-11-13 22:41:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1313 transitions. [2021-11-13 22:41:40,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:41:40,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:40,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 44 proven. 20 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-13 22:41:45,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 779 states and 1324 transitions. [2021-11-13 22:41:45,635 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1324 transitions. [2021-11-13 22:41:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:41:45,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:45,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:41:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 782 states and 1336 transitions. [2021-11-13 22:41:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1336 transitions. [2021-11-13 22:41:51,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:41:51,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:51,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-11-13 22:41:52,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:52,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 784 states and 1337 transitions. [2021-11-13 22:41:52,725 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1337 transitions. [2021-11-13 22:41:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:41:52,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:52,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:52,739 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-11-13 22:41:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 785 states and 1337 transitions. [2021-11-13 22:41:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1337 transitions. [2021-11-13 22:41:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:41:54,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:54,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:54,447 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-11-13 22:41:57,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:57,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 791 states and 1344 transitions. [2021-11-13 22:41:57,358 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1344 transitions. [2021-11-13 22:41:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:41:57,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:57,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2021-11-13 22:42:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 794 states and 1349 transitions. [2021-11-13 22:42:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1349 transitions. [2021-11-13 22:42:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:42:04,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:04,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 349 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:42:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 798 states and 1360 transitions. [2021-11-13 22:42:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1360 transitions. [2021-11-13 22:42:10,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:42:10,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:10,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-11-13 22:42:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 801 states and 1363 transitions. [2021-11-13 22:42:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1363 transitions. [2021-11-13 22:42:12,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:42:12,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:12,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-11-13 22:42:14,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:14,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 804 states and 1368 transitions. [2021-11-13 22:42:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1368 transitions. [2021-11-13 22:42:14,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:42:14,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:14,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:14,203 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2021-11-13 22:42:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 807 states and 1372 transitions. [2021-11-13 22:42:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1372 transitions. [2021-11-13 22:42:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 22:42:15,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:15,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:15,684 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-11-13 22:42:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:18,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 808 states and 1373 transitions. [2021-11-13 22:42:18,841 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1373 transitions. [2021-11-13 22:42:18,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 22:42:18,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:18,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 311 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:42:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 814 states and 1382 transitions. [2021-11-13 22:42:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1382 transitions. [2021-11-13 22:42:24,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 22:42:24,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:24,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:42:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 816 states and 1385 transitions. [2021-11-13 22:42:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1385 transitions. [2021-11-13 22:42:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 22:42:27,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:27,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:28,006 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-11-13 22:42:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 819 states and 1389 transitions. [2021-11-13 22:42:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1389 transitions. [2021-11-13 22:42:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 22:42:32,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:32,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 47 proven. 21 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-11-13 22:42:36,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:36,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 825 states and 1400 transitions. [2021-11-13 22:42:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1400 transitions. [2021-11-13 22:42:36,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 22:42:36,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:36,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:42:42,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 828 states and 1412 transitions. [2021-11-13 22:42:42,867 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1412 transitions. [2021-11-13 22:42:42,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 22:42:42,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:42,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:42,875 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-11-13 22:42:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 830 states and 1413 transitions. [2021-11-13 22:42:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1413 transitions. [2021-11-13 22:42:44,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 22:42:44,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:44,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2021-11-13 22:42:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 831 states and 1413 transitions. [2021-11-13 22:42:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1413 transitions. [2021-11-13 22:42:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 22:42:46,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:46,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-11-13 22:42:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 837 states and 1421 transitions. [2021-11-13 22:42:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1421 transitions. [2021-11-13 22:42:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 22:42:51,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:51,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-13 22:42:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 840 states and 1426 transitions. [2021-11-13 22:42:58,060 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1426 transitions. [2021-11-13 22:42:58,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 22:42:58,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:58,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-11-13 22:42:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:58,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 842 states and 1427 transitions. [2021-11-13 22:42:58,855 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1427 transitions. [2021-11-13 22:42:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 22:42:58,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:58,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:43:05,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:05,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 846 states and 1438 transitions. [2021-11-13 22:43:05,788 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1438 transitions. [2021-11-13 22:43:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 22:43:05,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:05,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-11-13 22:43:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 849 states and 1441 transitions. [2021-11-13 22:43:07,813 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1441 transitions. [2021-11-13 22:43:07,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 22:43:07,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:07,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-13 22:43:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 852 states and 1446 transitions. [2021-11-13 22:43:11,266 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1446 transitions. [2021-11-13 22:43:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 22:43:11,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:11,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2021-11-13 22:43:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 855 states and 1450 transitions. [2021-11-13 22:43:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1450 transitions. [2021-11-13 22:43:13,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 22:43:13,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:13,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-13 22:43:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:17,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 856 states and 1451 transitions. [2021-11-13 22:43:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1451 transitions. [2021-11-13 22:43:17,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 22:43:17,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:17,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:43:23,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 862 states and 1460 transitions. [2021-11-13 22:43:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1460 transitions. [2021-11-13 22:43:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 22:43:23,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:23,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 367 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:43:27,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 864 states and 1463 transitions. [2021-11-13 22:43:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1463 transitions. [2021-11-13 22:43:27,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 22:43:27,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:27,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2021-11-13 22:43:32,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 867 states and 1467 transitions. [2021-11-13 22:43:32,079 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1467 transitions. [2021-11-13 22:43:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 22:43:32,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:32,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 50 proven. 22 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2021-11-13 22:43:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:37,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 873 states and 1478 transitions. [2021-11-13 22:43:37,522 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1478 transitions. [2021-11-13 22:43:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 22:43:37,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:37,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:43,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:43,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 876 states and 1490 transitions. [2021-11-13 22:43:43,886 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1490 transitions. [2021-11-13 22:43:43,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 22:43:43,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:43,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-13 22:43:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 878 states and 1491 transitions. [2021-11-13 22:43:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1491 transitions. [2021-11-13 22:43:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 22:43:45,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:45,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-11-13 22:43:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 879 states and 1491 transitions. [2021-11-13 22:43:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1491 transitions. [2021-11-13 22:43:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 22:43:47,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:47,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-13 22:43:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 885 states and 1499 transitions. [2021-11-13 22:43:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1499 transitions. [2021-11-13 22:43:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 22:43:52,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:52,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-11-13 22:44:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 888 states and 1504 transitions. [2021-11-13 22:44:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1504 transitions. [2021-11-13 22:44:00,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 22:44:00,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:00,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:00,381 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-13 22:44:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:01,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 890 states and 1505 transitions. [2021-11-13 22:44:01,202 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1505 transitions. [2021-11-13 22:44:01,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 22:44:01,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:01,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:01,211 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2021-11-13 22:44:04,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 893 states and 1511 transitions. [2021-11-13 22:44:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1511 transitions. [2021-11-13 22:44:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 22:44:04,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:04,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 446 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:44:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 897 states and 1522 transitions. [2021-11-13 22:44:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1522 transitions. [2021-11-13 22:44:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 22:44:12,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:12,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-11-13 22:44:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 900 states and 1525 transitions. [2021-11-13 22:44:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1525 transitions. [2021-11-13 22:44:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 22:44:14,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:14,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-13 22:44:17,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 903 states and 1529 transitions. [2021-11-13 22:44:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1529 transitions. [2021-11-13 22:44:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 22:44:17,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:17,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-11-13 22:44:20,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 904 states and 1530 transitions. [2021-11-13 22:44:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1530 transitions. [2021-11-13 22:44:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 22:44:20,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:20,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:20,902 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 402 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:44:27,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 910 states and 1539 transitions. [2021-11-13 22:44:27,397 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1539 transitions. [2021-11-13 22:44:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 22:44:27,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:27,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:27,430 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 415 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:44:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 912 states and 1542 transitions. [2021-11-13 22:44:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1542 transitions. [2021-11-13 22:44:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 22:44:31,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:31,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-11-13 22:44:36,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:36,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 915 states and 1546 transitions. [2021-11-13 22:44:36,467 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1546 transitions. [2021-11-13 22:44:36,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 22:44:36,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:36,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2021-11-13 22:44:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:38,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 917 states and 1547 transitions. [2021-11-13 22:44:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1547 transitions. [2021-11-13 22:44:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 22:44:38,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:38,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:45,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:45,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 920 states and 1559 transitions. [2021-11-13 22:44:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1559 transitions. [2021-11-13 22:44:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 22:44:45,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:45,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:45,099 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 53 proven. 23 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-13 22:44:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 926 states and 1568 transitions. [2021-11-13 22:44:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1568 transitions. [2021-11-13 22:44:49,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 22:44:49,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:49,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-11-13 22:44:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 927 states and 1568 transitions. [2021-11-13 22:44:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1568 transitions. [2021-11-13 22:44:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:44:51,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:51,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-11-13 22:44:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 933 states and 1576 transitions. [2021-11-13 22:44:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1576 transitions. [2021-11-13 22:44:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:44:57,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:57,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-11-13 22:45:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:05,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 936 states and 1581 transitions. [2021-11-13 22:45:05,302 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1581 transitions. [2021-11-13 22:45:05,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:45:05,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:05,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-11-13 22:45:06,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:06,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 938 states and 1582 transitions. [2021-11-13 22:45:06,137 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1582 transitions. [2021-11-13 22:45:06,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:45:06,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:06,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 499 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:45:14,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 942 states and 1593 transitions. [2021-11-13 22:45:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1593 transitions. [2021-11-13 22:45:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:45:14,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:14,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:14,190 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2021-11-13 22:45:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 945 states and 1596 transitions. [2021-11-13 22:45:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1596 transitions. [2021-11-13 22:45:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:45:16,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:16,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked.