./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/twisted.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/twisted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu --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 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:27,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:27,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:27,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:27,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:27,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:27,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:27,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:27,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:27,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:27,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:27,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:27,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:27,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:27,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:27,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:27,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:27,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:27,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:27,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:27,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:27,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:27,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:27,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:27,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:27,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:27,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:27,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:27,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:27,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:27,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:27,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:27,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:27,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:27,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:27,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:27,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:27,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:27,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:27,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:27,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:27,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 15:05:27,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:27,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:27,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:27,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:27,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:27,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:27,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:27,175 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:05:27,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:27,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:27,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:27,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:27,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:27,176 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 15:05:27,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:27,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:27,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:27,177 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:27,177 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:27,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:27,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:27,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:27,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:27,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:27,178 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:27,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:27,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:27,179 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_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 [2021-11-23 15:05:27,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:27,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:27,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:27,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:27,582 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:27,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/termination-numeric/twisted.c [2021-11-23 15:05:27,674 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/data/1567911a5/9604923d06e9442aa8d469353a5451d4/FLAG6f4664409 [2021-11-23 15:05:28,209 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:28,210 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/sv-benchmarks/c/termination-numeric/twisted.c [2021-11-23 15:05:28,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/data/1567911a5/9604923d06e9442aa8d469353a5451d4/FLAG6f4664409 [2021-11-23 15:05:28,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/data/1567911a5/9604923d06e9442aa8d469353a5451d4 [2021-11-23 15:05:28,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:28,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:28,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:28,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:28,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:28,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:28,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23941db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28, skipping insertion in model container [2021-11-23 15:05:28,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:28,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:28,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:28,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:28,936 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:28,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:28,969 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:28,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28 WrapperNode [2021-11-23 15:05:28,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:28,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:28,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:28,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:28,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:28,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:29,009 INFO L137 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2021-11-23 15:05:29,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:29,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:29,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:29,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:29,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:29,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:29,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:29,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:29,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:29,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:29,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:29,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:29,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:29,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:29,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:29,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:29,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:29,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:29,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:29,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c180da5-4396-4bab-aa9b-6bcf1dd3757c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:29,220 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:29,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:29,452 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:29,483 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:05:29,484 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:05:29,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:29 BoogieIcfgContainer [2021-11-23 15:05:29,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:05:29,488 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:05:29,489 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:05:29,501 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:05:29,501 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:05:29,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2021-11-23 15:05:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-11-23 15:05:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:05:29,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:29,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:29,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-23 15:05:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-23 15:05:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:05:29,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:29,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2021-11-23 15:05:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-23 15:05:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:05:29,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:29,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:29,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-23 15:05:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-23 15:05:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:05:30,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:30,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-11-23 15:05:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-11-23 15:05:30,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:05:30,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:30,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:30,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:30,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:30,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2021-11-23 15:05:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2021-11-23 15:05:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:05:30,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:30,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:30,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2021-11-23 15:05:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2021-11-23 15:05:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:05:30,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:30,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2021-11-23 15:05:31,369 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2021-11-23 15:05:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:05:31,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:31,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2021-11-23 15:05:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2021-11-23 15:05:31,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:05:31,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:31,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2021-11-23 15:05:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2021-11-23 15:05:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:05:31,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:31,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:31,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:32,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2021-11-23 15:05:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2021-11-23 15:05:32,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:05:32,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:32,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 111 transitions. [2021-11-23 15:05:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2021-11-23 15:05:32,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:05:32,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:32,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:33,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2021-11-23 15:05:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2021-11-23 15:05:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:05:33,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:33,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 65 states and 124 transitions. [2021-11-23 15:05:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 124 transitions. [2021-11-23 15:05:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:05:33,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:33,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:05:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2021-11-23 15:05:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2021-11-23 15:05:33,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:05:33,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:33,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:33,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:33,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 67 states and 126 transitions. [2021-11-23 15:05:33,917 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2021-11-23 15:05:33,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:05:33,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:33,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:34,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:34,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 71 states and 134 transitions. [2021-11-23 15:05:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 134 transitions. [2021-11-23 15:05:34,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:05:34,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:34,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:35,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 75 states and 141 transitions. [2021-11-23 15:05:35,119 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2021-11-23 15:05:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:05:35,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:35,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:35,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:05:35,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 81 states and 149 transitions. [2021-11-23 15:05:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 149 transitions. [2021-11-23 15:05:35,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:05:35,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:35,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 88 states and 164 transitions. [2021-11-23 15:05:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 164 transitions. [2021-11-23 15:05:37,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:05:37,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:37,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:37,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 92 states and 176 transitions. [2021-11-23 15:05:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 176 transitions. [2021-11-23 15:05:37,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:05:37,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:37,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 94 states and 178 transitions. [2021-11-23 15:05:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 178 transitions. [2021-11-23 15:05:37,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:05:37,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:37,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:37,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:37,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 97 states and 182 transitions. [2021-11-23 15:05:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 182 transitions. [2021-11-23 15:05:37,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:05:37,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:37,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:38,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 98 states and 183 transitions. [2021-11-23 15:05:38,069 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 183 transitions. [2021-11-23 15:05:38,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:05:38,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:38,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:38,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 104 states and 202 transitions. [2021-11-23 15:05:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 202 transitions. [2021-11-23 15:05:38,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:05:38,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:38,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:05:39,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 106 states and 205 transitions. [2021-11-23 15:05:39,180 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 205 transitions. [2021-11-23 15:05:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:39,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:39,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 110 states and 220 transitions. [2021-11-23 15:05:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 220 transitions. [2021-11-23 15:05:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:39,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:39,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:40,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 113 states and 222 transitions. [2021-11-23 15:05:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 222 transitions. [2021-11-23 15:05:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:40,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:40,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 114 states and 225 transitions. [2021-11-23 15:05:40,850 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 225 transitions. [2021-11-23 15:05:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:40,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:40,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:41,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:41,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 118 states and 240 transitions. [2021-11-23 15:05:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 240 transitions. [2021-11-23 15:05:41,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:41,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:41,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 119 states and 241 transitions. [2021-11-23 15:05:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 241 transitions. [2021-11-23 15:05:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:41,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:41,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:41,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 121 states and 243 transitions. [2021-11-23 15:05:41,790 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 243 transitions. [2021-11-23 15:05:41,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:41,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:41,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:05:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 123 states and 246 transitions. [2021-11-23 15:05:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 246 transitions. [2021-11-23 15:05:42,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:42,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:42,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:42,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 126 states and 250 transitions. [2021-11-23 15:05:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 250 transitions. [2021-11-23 15:05:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:42,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:42,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:42,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:05:43,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 129 states and 252 transitions. [2021-11-23 15:05:43,174 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 252 transitions. [2021-11-23 15:05:43,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:43,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:43,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:05:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:43,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 131 states and 254 transitions. [2021-11-23 15:05:43,379 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 254 transitions. [2021-11-23 15:05:43,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:05:43,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:43,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 137 states and 258 transitions. [2021-11-23 15:05:44,717 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 258 transitions. [2021-11-23 15:05:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:05:44,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:44,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:44,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:05:44,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:44,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 138 states and 258 transitions. [2021-11-23 15:05:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 258 transitions. [2021-11-23 15:05:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:05:44,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:44,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:45,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 140 states and 260 transitions. [2021-11-23 15:05:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 260 transitions. [2021-11-23 15:05:45,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:05:45,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:45,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:46,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:46,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 145 states and 275 transitions. [2021-11-23 15:05:46,165 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 275 transitions. [2021-11-23 15:05:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:05:46,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:46,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:05:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 146 states and 277 transitions. [2021-11-23 15:05:46,371 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2021-11-23 15:05:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:05:46,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:46,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:46,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 149 states and 279 transitions. [2021-11-23 15:05:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 279 transitions. [2021-11-23 15:05:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:05:46,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:46,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:05:47,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 150 states and 281 transitions. [2021-11-23 15:05:47,186 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 281 transitions. [2021-11-23 15:05:47,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:05:47,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:47,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:05:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 152 states and 284 transitions. [2021-11-23 15:05:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 284 transitions. [2021-11-23 15:05:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:05:47,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:47,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:47,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 153 states and 288 transitions. [2021-11-23 15:05:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 288 transitions. [2021-11-23 15:05:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:05:47,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:47,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 157 states and 293 transitions. [2021-11-23 15:05:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 293 transitions. [2021-11-23 15:05:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:05:48,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:48,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:05:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 160 states and 302 transitions. [2021-11-23 15:05:49,055 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 302 transitions. [2021-11-23 15:05:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:05:49,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:49,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:49,100 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:49,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 162 states and 305 transitions. [2021-11-23 15:05:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 305 transitions. [2021-11-23 15:05:49,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:05:49,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:49,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:05:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 165 states and 307 transitions. [2021-11-23 15:05:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 307 transitions. [2021-11-23 15:05:49,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:05:49,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:49,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:05:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 169 states and 325 transitions. [2021-11-23 15:05:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 325 transitions. [2021-11-23 15:05:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:05:50,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:50,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:05:51,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 170 states and 327 transitions. [2021-11-23 15:05:51,375 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 327 transitions. [2021-11-23 15:05:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:05:51,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:51,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:51,644 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:52,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 175 states and 342 transitions. [2021-11-23 15:05:52,710 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 342 transitions. [2021-11-23 15:05:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:05:52,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:52,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:05:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 176 states and 344 transitions. [2021-11-23 15:05:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 344 transitions. [2021-11-23 15:05:53,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:05:53,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:53,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:53,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 180 states and 357 transitions. [2021-11-23 15:05:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 357 transitions. [2021-11-23 15:05:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:05:54,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:54,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:05:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 181 states and 359 transitions. [2021-11-23 15:05:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 359 transitions. [2021-11-23 15:05:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:05:54,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:54,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 184 states and 361 transitions. [2021-11-23 15:05:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 361 transitions. [2021-11-23 15:05:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:05:55,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:55,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:05:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 187 states and 363 transitions. [2021-11-23 15:05:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 363 transitions. [2021-11-23 15:05:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:05:56,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:56,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 15:05:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 194 states and 371 transitions. [2021-11-23 15:05:57,443 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 371 transitions. [2021-11-23 15:05:57,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:05:57,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:57,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:58,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 197 states and 373 transitions. [2021-11-23 15:05:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 373 transitions. [2021-11-23 15:05:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:05:58,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:58,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:05:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 201 states and 378 transitions. [2021-11-23 15:05:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 378 transitions. [2021-11-23 15:05:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:05:59,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:59,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 202 states and 380 transitions. [2021-11-23 15:05:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 380 transitions. [2021-11-23 15:05:59,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:05:59,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:59,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:00,075 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:00,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:00,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 205 states and 382 transitions. [2021-11-23 15:06:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 382 transitions. [2021-11-23 15:06:00,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:06:00,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:00,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:01,006 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:06:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 209 states and 387 transitions. [2021-11-23 15:06:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 387 transitions. [2021-11-23 15:06:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:06:01,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:01,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:06:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:02,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 211 states and 390 transitions. [2021-11-23 15:06:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 390 transitions. [2021-11-23 15:06:02,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:06:02,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:02,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:04,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 215 states and 409 transitions. [2021-11-23 15:06:04,189 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 409 transitions. [2021-11-23 15:06:04,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:06:04,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:04,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:06,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 220 states and 426 transitions. [2021-11-23 15:06:06,216 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 426 transitions. [2021-11-23 15:06:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:06:06,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:06,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:06,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 221 states and 428 transitions. [2021-11-23 15:06:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 428 transitions. [2021-11-23 15:06:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:06:06,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:06,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:07,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:07,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 222 states and 431 transitions. [2021-11-23 15:06:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 431 transitions. [2021-11-23 15:06:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:06:07,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:07,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 223 states and 433 transitions. [2021-11-23 15:06:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 433 transitions. [2021-11-23 15:06:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:06:07,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:07,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:08,162 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:08,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:08,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 227 states and 455 transitions. [2021-11-23 15:06:08,958 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 455 transitions. [2021-11-23 15:06:08,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:06:08,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:08,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:09,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 230 states and 470 transitions. [2021-11-23 15:06:09,856 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 470 transitions. [2021-11-23 15:06:09,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:06:09,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:09,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:09,883 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 231 states and 471 transitions. [2021-11-23 15:06:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 471 transitions. [2021-11-23 15:06:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:06:10,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:10,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:11,116 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 234 states and 473 transitions. [2021-11-23 15:06:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 473 transitions. [2021-11-23 15:06:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:06:12,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:12,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 235 states and 474 transitions. [2021-11-23 15:06:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 474 transitions. [2021-11-23 15:06:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:06:12,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:12,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:06:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 237 states and 478 transitions. [2021-11-23 15:06:13,778 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 478 transitions. [2021-11-23 15:06:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:06:13,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:13,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 239 states and 482 transitions. [2021-11-23 15:06:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 482 transitions. [2021-11-23 15:06:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:06:14,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:14,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:17,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 243 states and 486 transitions. [2021-11-23 15:06:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 486 transitions. [2021-11-23 15:06:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:06:17,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:17,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:17,145 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 246 states and 488 transitions. [2021-11-23 15:06:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 488 transitions. [2021-11-23 15:06:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:06:18,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:18,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:19,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:19,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 249 states and 490 transitions. [2021-11-23 15:06:19,371 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 490 transitions. [2021-11-23 15:06:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:06:19,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:19,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:06:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 252 states and 492 transitions. [2021-11-23 15:06:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 492 transitions. [2021-11-23 15:06:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:06:20,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:20,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:06:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:21,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 254 states and 494 transitions. [2021-11-23 15:06:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 494 transitions. [2021-11-23 15:06:21,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:06:21,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:21,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 258 states and 514 transitions. [2021-11-23 15:06:23,425 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 514 transitions. [2021-11-23 15:06:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:06:23,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:23,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 259 states and 517 transitions. [2021-11-23 15:06:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 517 transitions. [2021-11-23 15:06:24,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:06:24,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:24,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:26,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 264 states and 536 transitions. [2021-11-23 15:06:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 536 transitions. [2021-11-23 15:06:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:06:26,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:26,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:26,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 265 states and 538 transitions. [2021-11-23 15:06:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 538 transitions. [2021-11-23 15:06:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:06:26,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:26,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 266 states and 540 transitions. [2021-11-23 15:06:27,508 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 540 transitions. [2021-11-23 15:06:27,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:06:27,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:27,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 15:06:30,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:30,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 273 states and 551 transitions. [2021-11-23 15:06:30,157 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 551 transitions. [2021-11-23 15:06:30,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:06:30,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:30,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 15:06:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 280 states and 560 transitions. [2021-11-23 15:06:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 560 transitions. [2021-11-23 15:06:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:06:31,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:31,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:32,863 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 281 states and 562 transitions. [2021-11-23 15:06:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 562 transitions. [2021-11-23 15:06:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:06:33,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:33,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 284 states and 564 transitions. [2021-11-23 15:06:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 564 transitions. [2021-11-23 15:06:35,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:06:35,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:35,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 15:06:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 285 states and 564 transitions. [2021-11-23 15:06:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 564 transitions. [2021-11-23 15:06:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:06:35,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:35,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:06:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 286 states and 565 transitions. [2021-11-23 15:06:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 565 transitions. [2021-11-23 15:06:35,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:06:35,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:35,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 289 states and 568 transitions. [2021-11-23 15:06:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 568 transitions. [2021-11-23 15:06:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:06:36,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:36,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:38,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 292 states and 570 transitions. [2021-11-23 15:06:38,343 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 570 transitions. [2021-11-23 15:06:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:06:38,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:38,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 295 states and 572 transitions. [2021-11-23 15:06:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 572 transitions. [2021-11-23 15:06:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:06:39,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:39,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:41,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:41,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 298 states and 574 transitions. [2021-11-23 15:06:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 574 transitions. [2021-11-23 15:06:41,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:06:41,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:41,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 301 states and 576 transitions. [2021-11-23 15:06:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 576 transitions. [2021-11-23 15:06:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:06:43,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:43,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:06:43,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 302 states and 577 transitions. [2021-11-23 15:06:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 577 transitions. [2021-11-23 15:06:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:06:43,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:43,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 303 states and 585 transitions. [2021-11-23 15:06:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 585 transitions. [2021-11-23 15:06:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:06:44,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:44,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 307 states and 591 transitions. [2021-11-23 15:06:47,414 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 591 transitions. [2021-11-23 15:06:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:06:47,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:47,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:48,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 308 states and 596 transitions. [2021-11-23 15:06:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 596 transitions. [2021-11-23 15:06:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:06:48,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:48,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:06:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 312 states and 600 transitions. [2021-11-23 15:06:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 600 transitions. [2021-11-23 15:06:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:06:49,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:49,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 314 states and 603 transitions. [2021-11-23 15:06:50,413 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 603 transitions. [2021-11-23 15:06:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:06:50,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:50,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:51,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:51,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 316 states and 608 transitions. [2021-11-23 15:06:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 608 transitions. [2021-11-23 15:06:51,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:06:51,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:51,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:52,214 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:55,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 321 states and 631 transitions. [2021-11-23 15:06:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 631 transitions. [2021-11-23 15:06:55,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:06:55,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:55,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:55,458 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:57,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:57,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 325 states and 653 transitions. [2021-11-23 15:06:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 653 transitions. [2021-11-23 15:06:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:06:57,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:57,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 326 states and 655 transitions. [2021-11-23 15:06:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 655 transitions. [2021-11-23 15:06:58,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:06:58,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:58,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:58,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 327 states and 658 transitions. [2021-11-23 15:06:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 658 transitions. [2021-11-23 15:06:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:06:58,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:58,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 328 states and 660 transitions. [2021-11-23 15:06:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 660 transitions. [2021-11-23 15:06:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:06:59,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:59,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:06:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 329 states and 662 transitions. [2021-11-23 15:06:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 662 transitions. [2021-11-23 15:06:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:06:59,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:59,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:07:00,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 330 states and 664 transitions. [2021-11-23 15:07:00,572 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 664 transitions. [2021-11-23 15:07:00,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:07:00,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:00,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:00,597 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:01,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:01,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 332 states and 667 transitions. [2021-11-23 15:07:01,421 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 667 transitions. [2021-11-23 15:07:01,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:07:01,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:01,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:07:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:02,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 336 states and 673 transitions. [2021-11-23 15:07:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 673 transitions. [2021-11-23 15:07:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:07:02,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:02,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 337 states and 674 transitions. [2021-11-23 15:07:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 674 transitions. [2021-11-23 15:07:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:07:02,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:02,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:07:03,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:03,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 339 states and 676 transitions. [2021-11-23 15:07:03,784 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 676 transitions. [2021-11-23 15:07:03,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:07:03,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:03,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:04,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 340 states and 677 transitions. [2021-11-23 15:07:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 677 transitions. [2021-11-23 15:07:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:07:04,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:04,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 343 states and 679 transitions. [2021-11-23 15:07:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 679 transitions. [2021-11-23 15:07:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:07:06,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:06,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:07:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 344 states and 681 transitions. [2021-11-23 15:07:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 681 transitions. [2021-11-23 15:07:08,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:07:08,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:08,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:08,357 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:09,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 346 states and 684 transitions. [2021-11-23 15:07:09,031 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 684 transitions. [2021-11-23 15:07:09,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:07:09,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:09,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:07:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 347 states and 686 transitions. [2021-11-23 15:07:09,163 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 686 transitions. [2021-11-23 15:07:09,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:07:09,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:09,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:07:09,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:09,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 348 states and 687 transitions. [2021-11-23 15:07:09,973 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 687 transitions. [2021-11-23 15:07:09,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:07:09,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:09,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:07:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 349 states and 688 transitions. [2021-11-23 15:07:10,173 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 688 transitions. [2021-11-23 15:07:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:07:10,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:10,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:10,213 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 352 states and 690 transitions. [2021-11-23 15:07:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 690 transitions. [2021-11-23 15:07:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:07:11,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:11,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 355 states and 692 transitions. [2021-11-23 15:07:12,882 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 692 transitions. [2021-11-23 15:07:12,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:07:12,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:12,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 358 states and 694 transitions. [2021-11-23 15:07:14,252 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 694 transitions. [2021-11-23 15:07:14,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:07:14,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:14,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:14,762 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 362 states and 710 transitions. [2021-11-23 15:07:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 710 transitions. [2021-11-23 15:07:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 15:07:16,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:16,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 366 states and 714 transitions. [2021-11-23 15:07:19,138 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 714 transitions. [2021-11-23 15:07:19,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 15:07:19,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:19,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:07:20,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 368 states and 717 transitions. [2021-11-23 15:07:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 717 transitions. [2021-11-23 15:07:20,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:20,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:20,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 15:07:22,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:22,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 375 states and 726 transitions. [2021-11-23 15:07:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 726 transitions. [2021-11-23 15:07:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:22,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:22,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:26,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 380 states and 752 transitions. [2021-11-23 15:07:26,536 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 752 transitions. [2021-11-23 15:07:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:26,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:26,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:27,140 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:07:30,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 384 states and 774 transitions. [2021-11-23 15:07:30,343 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 774 transitions. [2021-11-23 15:07:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:30,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:30,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:07:32,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 387 states and 778 transitions. [2021-11-23 15:07:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 778 transitions. [2021-11-23 15:07:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:32,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:32,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:07:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:33,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 388 states and 780 transitions. [2021-11-23 15:07:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 780 transitions. [2021-11-23 15:07:33,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:33,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:33,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:07:33,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 389 states and 782 transitions. [2021-11-23 15:07:33,857 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 782 transitions. [2021-11-23 15:07:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:33,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:33,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:07:34,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:34,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 390 states and 785 transitions. [2021-11-23 15:07:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 785 transitions. [2021-11-23 15:07:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:34,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:34,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:07:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 391 states and 786 transitions. [2021-11-23 15:07:35,043 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 786 transitions. [2021-11-23 15:07:35,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:35,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:35,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 15:07:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 398 states and 796 transitions. [2021-11-23 15:07:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 796 transitions. [2021-11-23 15:07:38,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:38,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:38,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:39,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:39,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 402 states and 801 transitions. [2021-11-23 15:07:39,947 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 801 transitions. [2021-11-23 15:07:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:07:39,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:39,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 403 states and 803 transitions. [2021-11-23 15:07:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 803 transitions. [2021-11-23 15:07:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:07:40,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:40,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 407 states and 805 transitions. [2021-11-23 15:07:43,614 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 805 transitions. [2021-11-23 15:07:43,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:07:43,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:43,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:45,277 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:07:47,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:47,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 410 states and 808 transitions. [2021-11-23 15:07:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 808 transitions. [2021-11-23 15:07:47,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:07:47,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:47,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 91 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 411 states and 808 transitions. [2021-11-23 15:07:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 808 transitions. [2021-11-23 15:07:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:07:49,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:49,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:07:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 413 states and 818 transitions. [2021-11-23 15:07:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 818 transitions. [2021-11-23 15:07:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:07:50,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:50,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 15:07:52,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 417 states and 823 transitions. [2021-11-23 15:07:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 823 transitions. [2021-11-23 15:07:52,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 15:07:52,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:52,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:52,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 418 states and 823 transitions. [2021-11-23 15:07:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 823 transitions. [2021-11-23 15:07:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 15:07:52,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:52,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 421 states and 825 transitions. [2021-11-23 15:07:54,498 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 825 transitions. [2021-11-23 15:07:54,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 15:07:54,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:54,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:55,247 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 425 states and 853 transitions. [2021-11-23 15:07:57,118 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 853 transitions. [2021-11-23 15:07:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:07:57,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:57,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:07:59,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 429 states and 861 transitions. [2021-11-23 15:07:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 861 transitions. [2021-11-23 15:07:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:07:59,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:59,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 432 states and 876 transitions. [2021-11-23 15:08:00,896 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 876 transitions. [2021-11-23 15:08:00,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:08:00,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:00,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:00,920 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:01,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 433 states and 876 transitions. [2021-11-23 15:08:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 876 transitions. [2021-11-23 15:08:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:08:01,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:01,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:08:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 436 states and 879 transitions. [2021-11-23 15:08:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 879 transitions. [2021-11-23 15:08:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:08:02,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:02,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:02,961 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:03,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 437 states and 879 transitions. [2021-11-23 15:08:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 879 transitions. [2021-11-23 15:08:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:08:03,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:03,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 439 states and 886 transitions. [2021-11-23 15:08:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 886 transitions. [2021-11-23 15:08:05,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:08:05,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:05,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:05,944 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:08:06,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 440 states and 887 transitions. [2021-11-23 15:08:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 887 transitions. [2021-11-23 15:08:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:08:06,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:06,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:06,897 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:06,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 441 states and 887 transitions. [2021-11-23 15:08:06,955 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 887 transitions. [2021-11-23 15:08:06,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:08:06,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:06,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:06,978 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 15:08:09,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:09,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 444 states and 890 transitions. [2021-11-23 15:08:09,387 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 890 transitions. [2021-11-23 15:08:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:08:09,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:09,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 447 states and 892 transitions. [2021-11-23 15:08:11,285 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 892 transitions. [2021-11-23 15:08:11,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:08:11,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:11,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 448 states and 893 transitions. [2021-11-23 15:08:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 893 transitions. [2021-11-23 15:08:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:08:13,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:13,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:13,122 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:15,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:15,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 451 states and 895 transitions. [2021-11-23 15:08:15,113 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 895 transitions. [2021-11-23 15:08:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:08:15,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:15,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:08:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 455 states and 918 transitions. [2021-11-23 15:08:20,163 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 918 transitions. [2021-11-23 15:08:20,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:08:20,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:20,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:20,221 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:08:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 458 states and 921 transitions. [2021-11-23 15:08:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 921 transitions. [2021-11-23 15:08:22,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:08:22,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:22,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:22,967 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 463 states and 953 transitions. [2021-11-23 15:08:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 953 transitions. [2021-11-23 15:08:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:08:28,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:28,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:28,306 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:08:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 464 states and 956 transitions. [2021-11-23 15:08:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 956 transitions. [2021-11-23 15:08:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:08:29,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:29,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:29,453 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:08:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:32,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 467 states and 960 transitions. [2021-11-23 15:08:32,315 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 960 transitions. [2021-11-23 15:08:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:08:32,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:32,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:32,356 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:08:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 468 states and 962 transitions. [2021-11-23 15:08:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 962 transitions. [2021-11-23 15:08:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:08:33,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:33,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:08:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 469 states and 964 transitions. [2021-11-23 15:08:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 964 transitions. [2021-11-23 15:08:34,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:08:34,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:34,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:08:35,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 470 states and 966 transitions. [2021-11-23 15:08:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 966 transitions. [2021-11-23 15:08:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:08:35,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:35,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:08:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 471 states and 968 transitions. [2021-11-23 15:08:36,204 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 968 transitions. [2021-11-23 15:08:36,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:08:36,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:36,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 15:08:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:39,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 475 states and 971 transitions. [2021-11-23 15:08:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 971 transitions. [2021-11-23 15:08:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 15:08:39,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:39,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:08:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 478 states and 975 transitions. [2021-11-23 15:08:44,786 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 975 transitions. [2021-11-23 15:08:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 15:08:44,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:44,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 120 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 479 states and 975 transitions. [2021-11-23 15:08:48,321 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 975 transitions. [2021-11-23 15:08:48,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 15:08:48,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:48,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:08:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 480 states and 976 transitions. [2021-11-23 15:08:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 976 transitions. [2021-11-23 15:08:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:08:48,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:48,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:48,746 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:08:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 485 states and 982 transitions. [2021-11-23 15:08:51,797 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 982 transitions. [2021-11-23 15:08:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:08:51,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:51,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 15:08:57,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:57,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 492 states and 993 transitions. [2021-11-23 15:08:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 993 transitions. [2021-11-23 15:08:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:08:57,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:57,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 15:09:03,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:03,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 499 states and 1005 transitions. [2021-11-23 15:09:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1005 transitions. [2021-11-23 15:09:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:09:03,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:03,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:03,609 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 15:09:04,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:04,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 500 states and 1006 transitions. [2021-11-23 15:09:04,598 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1006 transitions. [2021-11-23 15:09:04,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:09:04,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:04,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:09:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 505 states and 1010 transitions. [2021-11-23 15:09:06,295 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1010 transitions. [2021-11-23 15:09:06,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:09:06,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:06,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:06,336 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:09:07,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:07,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 506 states and 1010 transitions. [2021-11-23 15:09:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1010 transitions. [2021-11-23 15:09:07,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:09:07,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:07,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:09:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 507 states and 1010 transitions. [2021-11-23 15:09:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1010 transitions. [2021-11-23 15:09:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:09:08,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:08,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:09:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 510 states and 1015 transitions. [2021-11-23 15:09:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1015 transitions. [2021-11-23 15:09:11,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:09:11,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:11,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 15:09:14,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 517 states and 1025 transitions. [2021-11-23 15:09:14,520 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1025 transitions. [2021-11-23 15:09:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:09:14,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:14,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 15:09:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 518 states and 1025 transitions. [2021-11-23 15:09:14,620 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1025 transitions. [2021-11-23 15:09:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:09:14,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:14,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:09:16,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:16,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 519 states and 1026 transitions. [2021-11-23 15:09:16,770 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1026 transitions. [2021-11-23 15:09:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:09:16,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:16,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:09:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 522 states and 1028 transitions. [2021-11-23 15:09:18,893 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1028 transitions. [2021-11-23 15:09:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:09:18,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:18,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:09:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 525 states and 1031 transitions. [2021-11-23 15:09:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1031 transitions. [2021-11-23 15:09:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:09:21,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:21,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:09:23,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 528 states and 1033 transitions. [2021-11-23 15:09:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 1033 transitions. [2021-11-23 15:09:23,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:23,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:23,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:09:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 532 states and 1036 transitions. [2021-11-23 15:09:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1036 transitions. [2021-11-23 15:09:28,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:28,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:28,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:09:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:31,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 535 states and 1038 transitions. [2021-11-23 15:09:31,966 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1038 transitions. [2021-11-23 15:09:31,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:31,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:31,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:09:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 539 states and 1057 transitions. [2021-11-23 15:09:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1057 transitions. [2021-11-23 15:09:37,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:37,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:37,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:09:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 542 states and 1060 transitions. [2021-11-23 15:09:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1060 transitions. [2021-11-23 15:09:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:39,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:39,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:09:47,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:47,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 547 states and 1095 transitions. [2021-11-23 15:09:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1095 transitions. [2021-11-23 15:09:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:47,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:47,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:09:50,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 550 states and 1099 transitions. [2021-11-23 15:09:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1099 transitions. [2021-11-23 15:09:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:50,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:50,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:09:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:54,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 553 states and 1108 transitions. [2021-11-23 15:09:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1108 transitions. [2021-11-23 15:09:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:54,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:54,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:09:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 554 states and 1111 transitions. [2021-11-23 15:09:55,505 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1111 transitions. [2021-11-23 15:09:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:55,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:55,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:09:56,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 555 states and 1113 transitions. [2021-11-23 15:09:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1113 transitions. [2021-11-23 15:09:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:56,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:56,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:09:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 556 states and 1115 transitions. [2021-11-23 15:09:58,011 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1115 transitions. [2021-11-23 15:09:58,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:58,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:58,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:09:58,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 557 states and 1123 transitions. [2021-11-23 15:09:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1123 transitions. [2021-11-23 15:09:58,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:09:58,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:58,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 15:10:00,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 558 states and 1125 transitions. [2021-11-23 15:10:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1125 transitions. [2021-11-23 15:10:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:10:00,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:00,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 153 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 559 states and 1125 transitions. [2021-11-23 15:10:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1125 transitions. [2021-11-23 15:10:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:10:05,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:05,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:09,265 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:10:12,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:12,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 562 states and 1129 transitions. [2021-11-23 15:10:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1129 transitions. [2021-11-23 15:10:12,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:10:12,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:12,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 566 states and 1131 transitions. [2021-11-23 15:10:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1131 transitions. [2021-11-23 15:10:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:10:16,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:16,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:10:21,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 572 states and 1149 transitions. [2021-11-23 15:10:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1149 transitions. [2021-11-23 15:10:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:10:21,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:21,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:21,768 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 573 states and 1149 transitions. [2021-11-23 15:10:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1149 transitions. [2021-11-23 15:10:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:22,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:22,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 575 states and 1150 transitions. [2021-11-23 15:10:23,399 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1150 transitions. [2021-11-23 15:10:23,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:23,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:23,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:23,430 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:24,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 577 states and 1150 transitions. [2021-11-23 15:10:24,288 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1150 transitions. [2021-11-23 15:10:24,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:24,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:24,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:10:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:25,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 578 states and 1151 transitions. [2021-11-23 15:10:25,610 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1151 transitions. [2021-11-23 15:10:25,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:25,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:25,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 579 states and 1151 transitions. [2021-11-23 15:10:27,015 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1151 transitions. [2021-11-23 15:10:27,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:27,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:27,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:29,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 581 states and 1156 transitions. [2021-11-23 15:10:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1156 transitions. [2021-11-23 15:10:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:29,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:29,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 582 states and 1156 transitions. [2021-11-23 15:10:30,721 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1156 transitions. [2021-11-23 15:10:30,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:30,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:30,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:33,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 586 states and 1161 transitions. [2021-11-23 15:10:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1161 transitions. [2021-11-23 15:10:33,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:33,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:33,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:36,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 589 states and 1165 transitions. [2021-11-23 15:10:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1165 transitions. [2021-11-23 15:10:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:36,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:36,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 15:10:37,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 591 states and 1167 transitions. [2021-11-23 15:10:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1167 transitions. [2021-11-23 15:10:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:37,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:37,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:40,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:40,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 593 states and 1169 transitions. [2021-11-23 15:10:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1169 transitions. [2021-11-23 15:10:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:10:40,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:40,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:40,718 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:10:42,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:42,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 594 states and 1170 transitions. [2021-11-23 15:10:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1170 transitions. [2021-11-23 15:10:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 15:10:42,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:42,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:10:47,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:47,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 597 states and 1172 transitions. [2021-11-23 15:10:47,707 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1172 transitions. [2021-11-23 15:10:47,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 15:10:47,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:47,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:47,730 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 15:10:47,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 598 states and 1173 transitions. [2021-11-23 15:10:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1173 transitions. [2021-11-23 15:10:47,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 15:10:47,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:47,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 15:10:49,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:49,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 600 states and 1175 transitions. [2021-11-23 15:10:49,651 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1175 transitions. [2021-11-23 15:10:49,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 15:10:49,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:49,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 15:10:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:50,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 601 states and 1175 transitions. [2021-11-23 15:10:50,637 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1175 transitions. [2021-11-23 15:10:50,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:10:50,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:50,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:10:56,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 605 states and 1196 transitions. [2021-11-23 15:10:56,712 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1196 transitions. [2021-11-23 15:10:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:10:56,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:56,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:10:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 608 states and 1199 transitions. [2021-11-23 15:10:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1199 transitions. [2021-11-23 15:10:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:10:59,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:59,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:11:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:03,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 611 states and 1209 transitions. [2021-11-23 15:11:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1209 transitions. [2021-11-23 15:11:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:03,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:03,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:11:06,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:06,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 614 states and 1214 transitions. [2021-11-23 15:11:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1214 transitions. [2021-11-23 15:11:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:06,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:06,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:11:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 619 states and 1252 transitions. [2021-11-23 15:11:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1252 transitions. [2021-11-23 15:11:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:14,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:14,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:11:18,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:18,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 622 states and 1256 transitions. [2021-11-23 15:11:18,899 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1256 transitions. [2021-11-23 15:11:18,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:18,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:18,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:11:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 623 states and 1258 transitions. [2021-11-23 15:11:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1258 transitions. [2021-11-23 15:11:20,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:20,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:20,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:11:21,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 624 states and 1260 transitions. [2021-11-23 15:11:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1260 transitions. [2021-11-23 15:11:21,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:21,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:21,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:21,643 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:11:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 625 states and 1262 transitions. [2021-11-23 15:11:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1262 transitions. [2021-11-23 15:11:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:23,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:23,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:11:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 626 states and 1265 transitions. [2021-11-23 15:11:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1265 transitions. [2021-11-23 15:11:24,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:24,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:24,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:11:25,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 627 states and 1267 transitions. [2021-11-23 15:11:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1267 transitions. [2021-11-23 15:11:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:25,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:25,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:11:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 630 states and 1269 transitions. [2021-11-23 15:11:28,394 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1269 transitions. [2021-11-23 15:11:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:28,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:28,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:28,438 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:11:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:29,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 631 states and 1269 transitions. [2021-11-23 15:11:29,359 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1269 transitions. [2021-11-23 15:11:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:29,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:29,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:11:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 634 states and 1271 transitions. [2021-11-23 15:11:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1271 transitions. [2021-11-23 15:11:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:11:31,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:31,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:11:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 638 states and 1291 transitions. [2021-11-23 15:11:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1291 transitions. [2021-11-23 15:11:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:11:36,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:36,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:40,777 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:11:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 641 states and 1295 transitions. [2021-11-23 15:11:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1295 transitions. [2021-11-23 15:11:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:11:44,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:44,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 190 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:11:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:50,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 642 states and 1295 transitions. [2021-11-23 15:11:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1295 transitions. [2021-11-23 15:11:50,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:11:50,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:50,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:11:53,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 645 states and 1297 transitions. [2021-11-23 15:11:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1297 transitions. [2021-11-23 15:11:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:11:53,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:53,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:11:59,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:59,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 651 states and 1316 transitions. [2021-11-23 15:11:59,139 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1316 transitions. [2021-11-23 15:11:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:11:59,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:59,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:12:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 655 states and 1318 transitions. [2021-11-23 15:12:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1318 transitions. [2021-11-23 15:12:05,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:12:05,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:05,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 15:12:08,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:08,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 657 states and 1320 transitions. [2021-11-23 15:12:08,224 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1320 transitions. [2021-11-23 15:12:08,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:12:08,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:08,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:12:08,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 658 states and 1320 transitions. [2021-11-23 15:12:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1320 transitions. [2021-11-23 15:12:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:12:08,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:08,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:12:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 661 states and 1324 transitions. [2021-11-23 15:12:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1324 transitions. [2021-11-23 15:12:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:12:10,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:10,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-23 15:12:16,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:16,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 668 states and 1335 transitions. [2021-11-23 15:12:16,535 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1335 transitions. [2021-11-23 15:12:16,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:12:16,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:16,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 15:12:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 669 states and 1335 transitions. [2021-11-23 15:12:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1335 transitions. [2021-11-23 15:12:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:12:16,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:16,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 15:12:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 670 states and 1337 transitions. [2021-11-23 15:12:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1337 transitions. [2021-11-23 15:12:18,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:12:18,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:18,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:18,407 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:12:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:20,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 671 states and 1337 transitions. [2021-11-23 15:12:20,151 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1337 transitions. [2021-11-23 15:12:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:12:20,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:20,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:20,199 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:12:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 672 states and 1337 transitions. [2021-11-23 15:12:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1337 transitions. [2021-11-23 15:12:21,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:12:21,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:21,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:12:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 677 states and 1344 transitions. [2021-11-23 15:12:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1344 transitions. [2021-11-23 15:12:26,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:12:26,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:26,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:12:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 678 states and 1346 transitions. [2021-11-23 15:12:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1346 transitions. [2021-11-23 15:12:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 15:12:28,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:28,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:12:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:37,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 685 states and 1351 transitions. [2021-11-23 15:12:37,172 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1351 transitions. [2021-11-23 15:12:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 15:12:37,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:37,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:12:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 688 states and 1352 transitions. [2021-11-23 15:12:39,435 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1352 transitions. [2021-11-23 15:12:39,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 15:12:39,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:39,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:12:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 691 states and 1355 transitions. [2021-11-23 15:12:45,947 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1355 transitions. [2021-11-23 15:12:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 15:12:45,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:45,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:45,978 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 15:12:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:46,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 692 states and 1356 transitions. [2021-11-23 15:12:46,266 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1356 transitions. [2021-11-23 15:12:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 15:12:46,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:46,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 15:12:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 696 states and 1361 transitions. [2021-11-23 15:12:49,934 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1361 transitions. [2021-11-23 15:12:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 15:12:49,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:49,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 15:12:51,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:51,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 697 states and 1361 transitions. [2021-11-23 15:12:51,079 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1361 transitions. [2021-11-23 15:12:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:12:51,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:51,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:12:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 701 states and 1383 transitions. [2021-11-23 15:12:58,051 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1383 transitions. [2021-11-23 15:12:58,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:12:58,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:58,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:13:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 704 states and 1388 transitions. [2021-11-23 15:13:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1388 transitions. [2021-11-23 15:13:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:01,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:01,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:13:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 709 states and 1430 transitions. [2021-11-23 15:13:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1430 transitions. [2021-11-23 15:13:11,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:11,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:11,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:11,069 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:13:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:15,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 712 states and 1434 transitions. [2021-11-23 15:13:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1434 transitions. [2021-11-23 15:13:15,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:15,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:15,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:13:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 715 states and 1438 transitions. [2021-11-23 15:13:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1438 transitions. [2021-11-23 15:13:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:18,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:18,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:13:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:23,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 718 states and 1447 transitions. [2021-11-23 15:13:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1447 transitions. [2021-11-23 15:13:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:23,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:23,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:13:25,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 719 states and 1449 transitions. [2021-11-23 15:13:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1449 transitions. [2021-11-23 15:13:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:25,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:25,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:13:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:28,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 722 states and 1453 transitions. [2021-11-23 15:13:28,234 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1453 transitions. [2021-11-23 15:13:28,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:28,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:28,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:13:29,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 723 states and 1455 transitions. [2021-11-23 15:13:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1455 transitions. [2021-11-23 15:13:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:29,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:29,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:13:31,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:31,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 724 states and 1457 transitions. [2021-11-23 15:13:31,627 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1457 transitions. [2021-11-23 15:13:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:31,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:31,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:13:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 725 states and 1460 transitions. [2021-11-23 15:13:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1460 transitions. [2021-11-23 15:13:33,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:33,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:33,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:13:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 727 states and 1463 transitions. [2021-11-23 15:13:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1463 transitions. [2021-11-23 15:13:36,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:36,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:36,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:36,186 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:13:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:37,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 728 states and 1463 transitions. [2021-11-23 15:13:37,832 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1463 transitions. [2021-11-23 15:13:37,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:37,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:37,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:13:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 729 states and 1463 transitions. [2021-11-23 15:13:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1463 transitions. [2021-11-23 15:13:38,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:38,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:38,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:13:40,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 730 states and 1463 transitions. [2021-11-23 15:13:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1463 transitions. [2021-11-23 15:13:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:40,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:40,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:13:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 731 states and 1463 transitions. [2021-11-23 15:13:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1463 transitions. [2021-11-23 15:13:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:13:42,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:42,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:13:47,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:47,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 735 states and 1499 transitions. [2021-11-23 15:13:47,430 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1499 transitions. [2021-11-23 15:13:47,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:13:47,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:47,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:13:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:48,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 737 states and 1500 transitions. [2021-11-23 15:13:48,452 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1500 transitions. [2021-11-23 15:13:48,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:13:48,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:48,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:13:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 740 states and 1504 transitions. [2021-11-23 15:13:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1504 transitions. [2021-11-23 15:13:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:13:58,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:58,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 231 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:14:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:06,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 741 states and 1504 transitions. [2021-11-23 15:14:06,332 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1504 transitions. [2021-11-23 15:14:06,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:14:06,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:06,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:06,378 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:14:09,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:09,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 744 states and 1506 transitions. [2021-11-23 15:14:09,391 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1506 transitions. [2021-11-23 15:14:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:14:09,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:09,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:14:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 747 states and 1507 transitions. [2021-11-23 15:14:13,174 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1507 transitions. [2021-11-23 15:14:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:14:13,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:13,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:13,221 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:14:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 750 states and 1509 transitions. [2021-11-23 15:14:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1509 transitions. [2021-11-23 15:14:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:14:16,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:16,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:14:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 756 states and 1531 transitions. [2021-11-23 15:14:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1531 transitions. [2021-11-23 15:14:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:14:22,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:22,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 15:14:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 757 states and 1532 transitions. [2021-11-23 15:14:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1532 transitions. [2021-11-23 15:14:24,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:14:24,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:24,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:14:27,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:27,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 759 states and 1536 transitions. [2021-11-23 15:14:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1536 transitions. [2021-11-23 15:14:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:14:27,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:27,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:14:27,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 760 states and 1537 transitions. [2021-11-23 15:14:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1537 transitions. [2021-11-23 15:14:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:14:27,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:27,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:27,866 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:14:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:27,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 761 states and 1537 transitions. [2021-11-23 15:14:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1537 transitions. [2021-11-23 15:14:27,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:14:27,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:27,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:14:35,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:35,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 765 states and 1545 transitions. [2021-11-23 15:14:35,830 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1545 transitions. [2021-11-23 15:14:35,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:14:35,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:35,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:14:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 766 states and 1546 transitions. [2021-11-23 15:14:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1546 transitions. [2021-11-23 15:14:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 15:14:37,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:37,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 15:14:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 767 states and 1547 transitions. [2021-11-23 15:14:39,679 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1547 transitions. [2021-11-23 15:14:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 15:14:39,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:39,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:14:41,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 768 states and 1547 transitions. [2021-11-23 15:14:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1547 transitions. [2021-11-23 15:14:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 15:14:41,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:41,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:14:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 769 states and 1547 transitions. [2021-11-23 15:14:43,454 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1547 transitions. [2021-11-23 15:14:43,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 15:14:43,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:43,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 15:14:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 772 states and 1549 transitions. [2021-11-23 15:14:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1549 transitions. [2021-11-23 15:14:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 15:14:47,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:47,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 15:14:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:49,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 774 states and 1551 transitions. [2021-11-23 15:14:49,633 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1551 transitions. [2021-11-23 15:14:49,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 15:14:49,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:49,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:14:57,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 777 states and 1554 transitions. [2021-11-23 15:14:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1554 transitions. [2021-11-23 15:14:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 15:14:57,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:57,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 15:15:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 780 states and 1556 transitions. [2021-11-23 15:15:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1556 transitions. [2021-11-23 15:15:00,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:00,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:00,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:08,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 784 states and 1580 transitions. [2021-11-23 15:15:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1580 transitions. [2021-11-23 15:15:08,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:08,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:08,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:11,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 787 states and 1584 transitions. [2021-11-23 15:15:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1584 transitions. [2021-11-23 15:15:11,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:11,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:11,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 790 states and 1594 transitions. [2021-11-23 15:15:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1594 transitions. [2021-11-23 15:15:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:16,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:16,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:16,901 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 791 states and 1596 transitions. [2021-11-23 15:15:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1596 transitions. [2021-11-23 15:15:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:18,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:18,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:20,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 792 states and 1598 transitions. [2021-11-23 15:15:20,370 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1598 transitions. [2021-11-23 15:15:20,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:20,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:20,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:22,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 793 states and 1601 transitions. [2021-11-23 15:15:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1601 transitions. [2021-11-23 15:15:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:22,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:22,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 794 states and 1603 transitions. [2021-11-23 15:15:24,063 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1603 transitions. [2021-11-23 15:15:24,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:24,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:24,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:24,109 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 797 states and 1608 transitions. [2021-11-23 15:15:27,542 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1608 transitions. [2021-11-23 15:15:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:27,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:27,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:31,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 800 states and 1613 transitions. [2021-11-23 15:15:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1613 transitions. [2021-11-23 15:15:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:31,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:31,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 803 states and 1617 transitions. [2021-11-23 15:15:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1617 transitions. [2021-11-23 15:15:35,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:35,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:35,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:15:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 808 states and 1662 transitions. [2021-11-23 15:15:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1662 transitions. [2021-11-23 15:15:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:46,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:46,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:46,931 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:15:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:52,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 811 states and 1666 transitions. [2021-11-23 15:15:52,353 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1666 transitions. [2021-11-23 15:15:52,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:15:52,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:52,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 15:16:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:16:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 825 states and 1686 transitions. [2021-11-23 15:16:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1686 transitions. [2021-11-23 15:16:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:16:07,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:16:07,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:16:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:16:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked.