./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ --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 ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:58:15,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:58:15,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:58:15,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:58:15,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:58:15,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:58:15,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:58:15,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:58:15,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:58:15,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:58:15,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:58:15,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:58:15,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:58:15,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:58:15,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:58:15,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:58:15,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:58:15,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:58:15,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:58:15,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:58:15,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:58:15,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:58:15,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:58:15,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:58:15,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:58:15,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:58:15,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:58:15,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:58:15,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:58:15,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:58:15,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:58:15,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:58:15,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:58:15,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:58:15,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:58:15,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:58:15,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:58:15,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:58:15,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:58:15,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:58:15,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:58:15,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 00:58:15,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:58:15,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:58:15,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:58:15,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:58:15,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:58:15,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:58:15,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:58:15,462 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:58:15,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:58:15,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:58:15,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:58:15,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:58:15,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:58:15,473 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:58:15,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:58:15,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:58:15,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:58:15,474 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:58:15,474 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:58:15,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:58:15,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:58:15,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:58:15,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:58:15,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:58:15,476 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:58:15,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:58:15,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:58:15,477 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_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 [2021-11-23 00:58:15,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:58:15,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:58:15,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:58:15,883 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:58:15,884 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:58:15,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2021-11-23 00:58:15,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/data/833a40faa/ae9db612b97743dba65d9410501e58af/FLAGa4ecb2862 [2021-11-23 00:58:16,507 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:58:16,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2021-11-23 00:58:16,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/data/833a40faa/ae9db612b97743dba65d9410501e58af/FLAGa4ecb2862 [2021-11-23 00:58:16,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/data/833a40faa/ae9db612b97743dba65d9410501e58af [2021-11-23 00:58:16,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:58:16,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:58:16,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:58:16,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:58:16,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:58:16,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:16" (1/1) ... [2021-11-23 00:58:16,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515d104c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:16, skipping insertion in model container [2021-11-23 00:58:16,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:16" (1/1) ... [2021-11-23 00:58:16,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:58:16,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:58:17,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:58:17,103 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:58:17,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:58:17,132 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:58:17,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17 WrapperNode [2021-11-23 00:58:17,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:58:17,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:58:17,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:58:17,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:58:17,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,178 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2021-11-23 00:58:17,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:58:17,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:58:17,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:58:17,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:58:17,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:58:17,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:58:17,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:58:17,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:58:17,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:58:17,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:58:17,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:58:17,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3330c12d-4408-4628-8d96-cab817b7e31f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:58:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:58:17,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:58:17,370 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:58:17,371 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:58:17,470 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:58:17,490 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:58:17,490 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:58:17,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:17 BoogieIcfgContainer [2021-11-23 00:58:17,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:58:17,494 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:58:17,494 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:58:17,503 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:58:17,503 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:17" (1/1) ... [2021-11-23 00:58:17,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:58:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-23 00:58:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-23 00:58:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:58:17,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,714 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 00:58:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-23 00:58:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-23 00:58:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:58:17,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,847 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 00:58:18,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-23 00:58:18,002 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-23 00:58:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:58:18,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,054 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 00:58:18,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-23 00:58:18,264 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-23 00:58:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:58:18,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,303 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 00:58:18,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2021-11-23 00:58:18,631 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2021-11-23 00:58:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:58:18,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,704 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 00:58:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2021-11-23 00:58:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2021-11-23 00:58:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:58:18,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,836 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 00:58:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-11-23 00:58:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-11-23 00:58:18,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:58:18,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-23 00:58:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-23 00:58:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:58:19,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2021-11-23 00:58:19,313 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-23 00:58:19,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:58:19,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:58:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2021-11-23 00:58:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-11-23 00:58:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:58:19,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:58:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2021-11-23 00:58:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2021-11-23 00:58:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:58:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-23 00:58:20,405 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-23 00:58:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:58:20,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:58:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2021-11-23 00:58:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-11-23 00:58:20,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:58:20,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:20,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2021-11-23 00:58:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2021-11-23 00:58:20,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:58:20,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:21,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2021-11-23 00:58:21,496 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-23 00:58:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:58:21,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:58:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-23 00:58:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-23 00:58:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:58:21,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2021-11-23 00:58:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2021-11-23 00:58:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:58:22,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,712 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2021-11-23 00:58:23,429 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2021-11-23 00:58:23,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:58:23,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,502 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:58:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2021-11-23 00:58:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2021-11-23 00:58:23,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:58:23,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 53 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2021-11-23 00:58:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-11-23 00:58:24,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:58:24,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 74 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 00:58:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2021-11-23 00:58:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2021-11-23 00:58:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:58:25,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 74 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:26,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 89 transitions. [2021-11-23 00:58:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2021-11-23 00:58:26,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:58:26,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,481 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 107 proven. 57 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:58:26,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2021-11-23 00:58:26,835 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-11-23 00:58:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:58:26,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 98 proven. 137 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 106 transitions. [2021-11-23 00:58:28,060 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2021-11-23 00:58:28,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:58:28,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,208 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 146 proven. 77 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-23 00:58:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 109 transitions. [2021-11-23 00:58:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2021-11-23 00:58:28,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:58:28,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 125 proven. 191 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:29,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2021-11-23 00:58:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2021-11-23 00:58:29,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:58:29,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 191 proven. 100 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-23 00:58:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2021-11-23 00:58:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2021-11-23 00:58:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:58:30,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 155 proven. 254 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 87 states and 143 transitions. [2021-11-23 00:58:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 143 transitions. [2021-11-23 00:58:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:58:31,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 242 proven. 126 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-23 00:58:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 90 states and 146 transitions. [2021-11-23 00:58:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 146 transitions. [2021-11-23 00:58:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:58:32,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 188 proven. 326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:34,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 163 transitions. [2021-11-23 00:58:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2021-11-23 00:58:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:58:34,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 299 proven. 155 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-23 00:58:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 166 transitions. [2021-11-23 00:58:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 166 transitions. [2021-11-23 00:58:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:58:34,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 224 proven. 407 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 105 states and 184 transitions. [2021-11-23 00:58:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 184 transitions. [2021-11-23 00:58:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:58:36,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 362 proven. 187 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:58:37,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 108 states and 187 transitions. [2021-11-23 00:58:37,416 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 187 transitions. [2021-11-23 00:58:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:58:37,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 263 proven. 497 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:39,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 114 states and 206 transitions. [2021-11-23 00:58:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 206 transitions. [2021-11-23 00:58:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:58:39,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 431 proven. 222 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-23 00:58:40,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 117 states and 209 transitions. [2021-11-23 00:58:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 209 transitions. [2021-11-23 00:58:40,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:58:40,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 305 proven. 596 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 123 states and 229 transitions. [2021-11-23 00:58:42,195 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 229 transitions. [2021-11-23 00:58:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:58:42,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 506 proven. 260 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-23 00:58:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 126 states and 232 transitions. [2021-11-23 00:58:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2021-11-23 00:58:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:58:43,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 350 proven. 704 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 253 transitions. [2021-11-23 00:58:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 253 transitions. [2021-11-23 00:58:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:58:45,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 587 proven. 301 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-11-23 00:58:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 135 states and 256 transitions. [2021-11-23 00:58:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 256 transitions. [2021-11-23 00:58:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 00:58:46,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 398 proven. 821 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 141 states and 278 transitions. [2021-11-23 00:58:48,681 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 278 transitions. [2021-11-23 00:58:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 00:58:48,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 674 proven. 345 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-11-23 00:58:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 144 states and 281 transitions. [2021-11-23 00:58:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 281 transitions. [2021-11-23 00:58:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:58:49,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1397 backedges. 449 proven. 947 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:52,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 150 states and 304 transitions. [2021-11-23 00:58:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 304 transitions. [2021-11-23 00:58:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:58:52,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 767 proven. 392 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-11-23 00:58:53,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 307 transitions. [2021-11-23 00:58:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 307 transitions. [2021-11-23 00:58:53,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 00:58:53,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 503 proven. 1082 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 159 states and 331 transitions. [2021-11-23 00:58:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 331 transitions. [2021-11-23 00:58:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:58:55,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 866 proven. 442 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-23 00:58:57,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 162 states and 334 transitions. [2021-11-23 00:58:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 334 transitions. [2021-11-23 00:58:57,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:58:57,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1787 backedges. 560 proven. 1226 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 168 states and 359 transitions. [2021-11-23 00:58:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 359 transitions. [2021-11-23 00:58:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:58:59,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 971 proven. 495 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-11-23 00:59:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 171 states and 362 transitions. [2021-11-23 00:59:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 362 transitions. [2021-11-23 00:59:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 00:59:00,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 620 proven. 1379 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:03,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:03,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 177 states and 388 transitions. [2021-11-23 00:59:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 388 transitions. [2021-11-23 00:59:03,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:59:03,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:03,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:03,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 1082 proven. 551 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2021-11-23 00:59:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 180 states and 391 transitions. [2021-11-23 00:59:04,967 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 391 transitions. [2021-11-23 00:59:04,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:59:04,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:04,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2225 backedges. 683 proven. 1541 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 186 states and 418 transitions. [2021-11-23 00:59:07,993 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 418 transitions. [2021-11-23 00:59:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 00:59:07,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:07,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2342 backedges. 1199 proven. 610 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-23 00:59:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 189 states and 421 transitions. [2021-11-23 00:59:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 421 transitions. [2021-11-23 00:59:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 00:59:09,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:09,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 749 proven. 1712 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 195 states and 449 transitions. [2021-11-23 00:59:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 449 transitions. [2021-11-23 00:59:12,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 00:59:12,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:12,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2585 backedges. 1322 proven. 672 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2021-11-23 00:59:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 198 states and 452 transitions. [2021-11-23 00:59:13,839 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 452 transitions. [2021-11-23 00:59:13,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 00:59:13,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:13,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 818 proven. 1892 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:17,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 204 states and 481 transitions. [2021-11-23 00:59:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 481 transitions. [2021-11-23 00:59:17,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 00:59:17,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:17,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2840 backedges. 1451 proven. 737 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2021-11-23 00:59:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:18,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 207 states and 484 transitions. [2021-11-23 00:59:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 484 transitions. [2021-11-23 00:59:18,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 00:59:18,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:18,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2972 backedges. 890 proven. 2081 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 213 states and 514 transitions. [2021-11-23 00:59:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 514 transitions. [2021-11-23 00:59:22,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 00:59:22,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:22,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3107 backedges. 1586 proven. 805 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2021-11-23 00:59:23,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 216 states and 517 transitions. [2021-11-23 00:59:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 517 transitions. [2021-11-23 00:59:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-23 00:59:23,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:23,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3245 backedges. 965 proven. 2279 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:27,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 222 states and 548 transitions. [2021-11-23 00:59:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 548 transitions. [2021-11-23 00:59:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 00:59:27,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:27,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3386 backedges. 1727 proven. 876 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2021-11-23 00:59:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 225 states and 551 transitions. [2021-11-23 00:59:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 551 transitions. [2021-11-23 00:59:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 00:59:28,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:28,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3530 backedges. 1043 proven. 2486 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:32,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 231 states and 583 transitions. [2021-11-23 00:59:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 583 transitions. [2021-11-23 00:59:32,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 00:59:32,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:32,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3677 backedges. 1874 proven. 950 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2021-11-23 00:59:34,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 234 states and 586 transitions. [2021-11-23 00:59:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 586 transitions. [2021-11-23 00:59:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-23 00:59:34,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:34,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3827 backedges. 1124 proven. 2702 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 240 states and 619 transitions. [2021-11-23 00:59:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 619 transitions. [2021-11-23 00:59:38,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 00:59:38,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:38,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3980 backedges. 2027 proven. 1027 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2021-11-23 00:59:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 243 states and 622 transitions. [2021-11-23 00:59:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 622 transitions. [2021-11-23 00:59:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-23 00:59:40,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:40,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4136 backedges. 1208 proven. 2927 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:44,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 249 states and 656 transitions. [2021-11-23 00:59:44,286 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 656 transitions. [2021-11-23 00:59:44,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 00:59:44,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 2186 proven. 1107 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2021-11-23 00:59:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 252 states and 659 transitions. [2021-11-23 00:59:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 659 transitions. [2021-11-23 00:59:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-23 00:59:46,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:46,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4457 backedges. 1295 proven. 3161 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 258 states and 694 transitions. [2021-11-23 00:59:50,592 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 694 transitions. [2021-11-23 00:59:50,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:59:50,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:50,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4622 backedges. 2351 proven. 1190 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2021-11-23 00:59:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 261 states and 697 transitions. [2021-11-23 00:59:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 697 transitions. [2021-11-23 00:59:52,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:59:52,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:52,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 1385 proven. 3404 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:56,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 267 states and 733 transitions. [2021-11-23 00:59:56,685 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 733 transitions. [2021-11-23 00:59:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 00:59:56,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4961 backedges. 2522 proven. 1276 refuted. 0 times theorem prover too weak. 1163 trivial. 0 not checked. [2021-11-23 00:59:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 270 states and 736 transitions. [2021-11-23 00:59:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 736 transitions. [2021-11-23 00:59:58,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-23 00:59:58,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 1478 proven. 3656 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:02,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 276 states and 773 transitions. [2021-11-23 01:00:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 773 transitions. [2021-11-23 01:00:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 01:00:02,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:02,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5312 backedges. 2699 proven. 1365 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2021-11-23 01:00:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 279 states and 776 transitions. [2021-11-23 01:00:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 776 transitions. [2021-11-23 01:00:04,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 01:00:04,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:04,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5492 backedges. 1574 proven. 3917 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:09,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:09,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 285 states and 814 transitions. [2021-11-23 01:00:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 814 transitions. [2021-11-23 01:00:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-23 01:00:09,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:09,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5675 backedges. 2882 proven. 1457 refuted. 0 times theorem prover too weak. 1336 trivial. 0 not checked. [2021-11-23 01:00:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 288 states and 817 transitions. [2021-11-23 01:00:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 817 transitions. [2021-11-23 01:00:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-23 01:00:11,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:11,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5861 backedges. 1673 proven. 4187 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:16,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 294 states and 856 transitions. [2021-11-23 01:00:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 856 transitions. [2021-11-23 01:00:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-23 01:00:16,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:16,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 3071 proven. 1552 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2021-11-23 01:00:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 297 states and 859 transitions. [2021-11-23 01:00:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 859 transitions. [2021-11-23 01:00:18,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-23 01:00:18,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:18,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6242 backedges. 1775 proven. 4466 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:22,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 303 states and 899 transitions. [2021-11-23 01:00:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 899 transitions. [2021-11-23 01:00:22,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-23 01:00:22,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:22,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 3266 proven. 1650 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2021-11-23 01:00:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 306 states and 902 transitions. [2021-11-23 01:00:24,760 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 902 transitions. [2021-11-23 01:00:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-23 01:00:24,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:24,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6635 backedges. 1880 proven. 4754 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:29,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 312 states and 943 transitions. [2021-11-23 01:00:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 943 transitions. [2021-11-23 01:00:29,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-23 01:00:29,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:29,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 6836 backedges. 3467 proven. 1751 refuted. 0 times theorem prover too weak. 1618 trivial. 0 not checked. [2021-11-23 01:00:31,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:31,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 315 states and 946 transitions. [2021-11-23 01:00:31,872 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 946 transitions. [2021-11-23 01:00:31,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-23 01:00:31,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:31,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 7040 backedges. 1988 proven. 5051 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 321 states and 988 transitions. [2021-11-23 01:00:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 988 transitions. [2021-11-23 01:00:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-23 01:00:37,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:37,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 7247 backedges. 3674 proven. 1855 refuted. 0 times theorem prover too weak. 1718 trivial. 0 not checked. [2021-11-23 01:00:39,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 324 states and 991 transitions. [2021-11-23 01:00:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 991 transitions. [2021-11-23 01:00:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-23 01:00:39,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:39,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:40,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7457 backedges. 2099 proven. 5357 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:44,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:44,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 330 states and 1034 transitions. [2021-11-23 01:00:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1034 transitions. [2021-11-23 01:00:44,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 01:00:44,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:44,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7670 backedges. 3887 proven. 1962 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2021-11-23 01:00:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 333 states and 1037 transitions. [2021-11-23 01:00:46,389 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1037 transitions. [2021-11-23 01:00:46,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-23 01:00:46,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:46,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 2213 proven. 5672 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:52,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 339 states and 1081 transitions. [2021-11-23 01:00:52,075 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1081 transitions. [2021-11-23 01:00:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-23 01:00:52,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:52,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8105 backedges. 4106 proven. 2072 refuted. 0 times theorem prover too weak. 1927 trivial. 0 not checked. [2021-11-23 01:00:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:54,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 342 states and 1084 transitions. [2021-11-23 01:00:54,475 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1084 transitions. [2021-11-23 01:00:54,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-23 01:00:54,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:54,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 8327 backedges. 2330 proven. 5996 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 348 states and 1129 transitions. [2021-11-23 01:00:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1129 transitions. [2021-11-23 01:00:59,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-23 01:00:59,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:59,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8552 backedges. 4331 proven. 2185 refuted. 0 times theorem prover too weak. 2036 trivial. 0 not checked. [2021-11-23 01:01:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 351 states and 1132 transitions. [2021-11-23 01:01:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1132 transitions. [2021-11-23 01:01:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 01:01:02,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:02,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 8780 backedges. 2450 proven. 6329 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:01:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:07,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 357 states and 1178 transitions. [2021-11-23 01:01:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1178 transitions. [2021-11-23 01:01:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-23 01:01:07,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:07,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 9011 backedges. 4562 proven. 2301 refuted. 0 times theorem prover too weak. 2148 trivial. 0 not checked. [2021-11-23 01:01:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 360 states and 1181 transitions. [2021-11-23 01:01:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1181 transitions. [2021-11-23 01:01:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-23 01:01:10,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:10,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 9245 backedges. 2573 proven. 6671 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:01:16,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 366 states and 1228 transitions. [2021-11-23 01:01:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 1228 transitions. [2021-11-23 01:01:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-23 01:01:16,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:16,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 9482 backedges. 4799 proven. 2420 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked. [2021-11-23 01:01:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 369 states and 1231 transitions. [2021-11-23 01:01:18,354 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 1231 transitions. [2021-11-23 01:01:18,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-23 01:01:18,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:18,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9722 backedges. 2699 proven. 7022 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:01:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 375 states and 1279 transitions. [2021-11-23 01:01:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1279 transitions. [2021-11-23 01:01:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-23 01:01:24,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:24,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 9965 backedges. 5042 proven. 2542 refuted. 0 times theorem prover too weak. 2381 trivial. 0 not checked. [2021-11-23 01:01:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 378 states and 1282 transitions. [2021-11-23 01:01:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1282 transitions. [2021-11-23 01:01:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-23 01:01:26,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:26,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:27,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10211 backedges. 2828 proven. 7382 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:01:33,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 384 states and 1331 transitions. [2021-11-23 01:01:33,043 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1331 transitions. [2021-11-23 01:01:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-23 01:01:33,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:33,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 10460 backedges. 5291 proven. 2667 refuted. 0 times theorem prover too weak. 2502 trivial. 0 not checked. [2021-11-23 01:01:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 387 states and 1334 transitions. [2021-11-23 01:01:35,787 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1334 transitions. [2021-11-23 01:01:35,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-23 01:01:35,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:35,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 2960 proven. 7751 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:01:42,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:42,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 393 states and 1384 transitions. [2021-11-23 01:01:42,085 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1384 transitions. [2021-11-23 01:01:42,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-23 01:01:42,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:42,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10967 backedges. 5546 proven. 2795 refuted. 0 times theorem prover too weak. 2626 trivial. 0 not checked. [2021-11-23 01:01:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 396 states and 1387 transitions. [2021-11-23 01:01:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 1387 transitions. [2021-11-23 01:01:44,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-23 01:01:44,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:44,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 11225 backedges. 3095 proven. 8129 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:01:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 402 states and 1438 transitions. [2021-11-23 01:01:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 1438 transitions. [2021-11-23 01:01:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-23 01:01:51,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:51,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 11486 backedges. 5807 proven. 2926 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2021-11-23 01:01:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:53,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 405 states and 1441 transitions. [2021-11-23 01:01:53,954 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 1441 transitions. [2021-11-23 01:01:53,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-23 01:01:53,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:53,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 11750 backedges. 3233 proven. 8516 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:02:00,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:00,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 411 states and 1493 transitions. [2021-11-23 01:02:00,443 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1493 transitions. [2021-11-23 01:02:00,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-23 01:02:00,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:00,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12017 backedges. 6074 proven. 3060 refuted. 0 times theorem prover too weak. 2883 trivial. 0 not checked. [2021-11-23 01:02:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 414 states and 1496 transitions. [2021-11-23 01:02:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1496 transitions. [2021-11-23 01:02:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-23 01:02:03,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:03,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12287 backedges. 3374 proven. 8912 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:02:10,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:10,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 420 states and 1549 transitions. [2021-11-23 01:02:10,847 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1549 transitions. [2021-11-23 01:02:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-23 01:02:10,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:10,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12560 backedges. 6347 proven. 3197 refuted. 0 times theorem prover too weak. 3016 trivial. 0 not checked. [2021-11-23 01:02:13,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 423 states and 1552 transitions. [2021-11-23 01:02:13,761 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1552 transitions. [2021-11-23 01:02:13,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-23 01:02:13,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:13,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12836 backedges. 3518 proven. 9317 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:02:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:21,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 429 states and 1606 transitions. [2021-11-23 01:02:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1606 transitions. [2021-11-23 01:02:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 01:02:21,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:21,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 13115 backedges. 6626 proven. 3337 refuted. 0 times theorem prover too weak. 3152 trivial. 0 not checked. [2021-11-23 01:02:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 432 states and 1609 transitions. [2021-11-23 01:02:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1609 transitions. [2021-11-23 01:02:24,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-23 01:02:24,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:24,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 13397 backedges. 3665 proven. 9731 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:02:31,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 438 states and 1664 transitions. [2021-11-23 01:02:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1664 transitions. [2021-11-23 01:02:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-23 01:02:31,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:31,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 13682 backedges. 6911 proven. 3480 refuted. 0 times theorem prover too weak. 3291 trivial. 0 not checked. [2021-11-23 01:02:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 441 states and 1667 transitions. [2021-11-23 01:02:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1667 transitions. [2021-11-23 01:02:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-23 01:02:34,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:34,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:35,443 INFO L134 CoverageAnalysis]: Checked inductivity of 13970 backedges. 3815 proven. 10154 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:02:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 447 states and 1723 transitions. [2021-11-23 01:02:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1723 transitions. [2021-11-23 01:02:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-23 01:02:41,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:41,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14261 backedges. 7202 proven. 3626 refuted. 0 times theorem prover too weak. 3433 trivial. 0 not checked. [2021-11-23 01:02:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 450 states and 1726 transitions. [2021-11-23 01:02:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1726 transitions. [2021-11-23 01:02:45,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-23 01:02:45,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 14555 backedges. 3968 proven. 10586 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:02:52,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:52,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 456 states and 1783 transitions. [2021-11-23 01:02:52,981 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1783 transitions. [2021-11-23 01:02:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-23 01:02:52,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:52,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 14852 backedges. 7499 proven. 3775 refuted. 0 times theorem prover too weak. 3578 trivial. 0 not checked. [2021-11-23 01:02:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:55,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 459 states and 1786 transitions. [2021-11-23 01:02:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1786 transitions. [2021-11-23 01:02:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-23 01:02:55,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:55,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 15152 backedges. 4124 proven. 11027 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 465 states and 1844 transitions. [2021-11-23 01:03:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 1844 transitions. [2021-11-23 01:03:03,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-23 01:03:03,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:04,276 INFO L134 CoverageAnalysis]: Checked inductivity of 15455 backedges. 7802 proven. 3927 refuted. 0 times theorem prover too weak. 3726 trivial. 0 not checked. [2021-11-23 01:03:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 468 states and 1847 transitions. [2021-11-23 01:03:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1847 transitions. [2021-11-23 01:03:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-23 01:03:06,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:06,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:07,952 INFO L134 CoverageAnalysis]: Checked inductivity of 15761 backedges. 4283 proven. 11477 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:14,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 474 states and 1906 transitions. [2021-11-23 01:03:14,725 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1906 transitions. [2021-11-23 01:03:14,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-23 01:03:14,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:14,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16070 backedges. 8111 proven. 4082 refuted. 0 times theorem prover too weak. 3877 trivial. 0 not checked. [2021-11-23 01:03:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 477 states and 1909 transitions. [2021-11-23 01:03:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1909 transitions. [2021-11-23 01:03:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-23 01:03:18,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:18,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 16382 backedges. 4445 proven. 11936 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 483 states and 1969 transitions. [2021-11-23 01:03:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1969 transitions. [2021-11-23 01:03:26,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-23 01:03:26,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 16697 backedges. 8426 proven. 4240 refuted. 0 times theorem prover too weak. 4031 trivial. 0 not checked. [2021-11-23 01:03:29,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 486 states and 1972 transitions. [2021-11-23 01:03:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1972 transitions. [2021-11-23 01:03:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-23 01:03:29,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 17015 backedges. 4610 proven. 12404 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 492 states and 2033 transitions. [2021-11-23 01:03:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 2033 transitions. [2021-11-23 01:03:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-23 01:03:38,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:38,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,241 INFO L134 CoverageAnalysis]: Checked inductivity of 17336 backedges. 8747 proven. 4401 refuted. 0 times theorem prover too weak. 4188 trivial. 0 not checked. [2021-11-23 01:03:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 495 states and 2036 transitions. [2021-11-23 01:03:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 2036 transitions. [2021-11-23 01:03:42,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-23 01:03:42,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:42,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 17660 backedges. 4778 proven. 12881 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:49,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 501 states and 2098 transitions. [2021-11-23 01:03:49,905 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 2098 transitions. [2021-11-23 01:03:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-23 01:03:49,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:49,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 17987 backedges. 9074 proven. 4565 refuted. 0 times theorem prover too weak. 4348 trivial. 0 not checked. [2021-11-23 01:03:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 504 states and 2101 transitions. [2021-11-23 01:03:52,849 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 2101 transitions. [2021-11-23 01:03:52,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-23 01:03:52,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 18317 backedges. 4949 proven. 13367 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 510 states and 2164 transitions. [2021-11-23 01:04:01,121 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 2164 transitions. [2021-11-23 01:04:01,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-23 01:04:01,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 18650 backedges. 9407 proven. 4732 refuted. 0 times theorem prover too weak. 4511 trivial. 0 not checked. [2021-11-23 01:04:04,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:04,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 513 states and 2167 transitions. [2021-11-23 01:04:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 2167 transitions. [2021-11-23 01:04:04,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-23 01:04:04,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:04,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18986 backedges. 5123 proven. 13862 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:13,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 519 states and 2231 transitions. [2021-11-23 01:04:13,550 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 2231 transitions. [2021-11-23 01:04:13,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-23 01:04:13,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:13,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 19325 backedges. 9746 proven. 4902 refuted. 0 times theorem prover too weak. 4677 trivial. 0 not checked. [2021-11-23 01:04:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 522 states and 2234 transitions. [2021-11-23 01:04:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 2234 transitions. [2021-11-23 01:04:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-23 01:04:17,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 19667 backedges. 5300 proven. 14366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:26,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:26,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 528 states and 2299 transitions. [2021-11-23 01:04:26,885 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 2299 transitions. [2021-11-23 01:04:26,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-23 01:04:26,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:26,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 20012 backedges. 10091 proven. 5075 refuted. 0 times theorem prover too weak. 4846 trivial. 0 not checked. [2021-11-23 01:04:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 531 states and 2302 transitions. [2021-11-23 01:04:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 2302 transitions. [2021-11-23 01:04:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-23 01:04:30,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:30,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 20360 backedges. 5480 proven. 14879 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 537 states and 2368 transitions. [2021-11-23 01:04:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 2368 transitions. [2021-11-23 01:04:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-23 01:04:39,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:39,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20711 backedges. 10442 proven. 5251 refuted. 0 times theorem prover too weak. 5018 trivial. 0 not checked. [2021-11-23 01:04:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 540 states and 2371 transitions. [2021-11-23 01:04:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 2371 transitions. [2021-11-23 01:04:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-23 01:04:42,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 21065 backedges. 5663 proven. 15401 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 546 states and 2438 transitions. [2021-11-23 01:04:52,120 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 2438 transitions. [2021-11-23 01:04:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-23 01:04:52,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 21422 backedges. 10799 proven. 5430 refuted. 0 times theorem prover too weak. 5193 trivial. 0 not checked. [2021-11-23 01:04:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 549 states and 2441 transitions. [2021-11-23 01:04:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 2441 transitions. [2021-11-23 01:04:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-23 01:04:56,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:56,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 21782 backedges. 5849 proven. 15932 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 555 states and 2509 transitions. [2021-11-23 01:05:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 2509 transitions. [2021-11-23 01:05:05,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-11-23 01:05:05,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:05,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 22145 backedges. 11162 proven. 5612 refuted. 0 times theorem prover too weak. 5371 trivial. 0 not checked. [2021-11-23 01:05:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 558 states and 2512 transitions. [2021-11-23 01:05:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 2512 transitions. [2021-11-23 01:05:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-23 01:05:09,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 22511 backedges. 6038 proven. 16472 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 564 states and 2581 transitions. [2021-11-23 01:05:19,909 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 2581 transitions. [2021-11-23 01:05:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-11-23 01:05:19,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:19,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 22880 backedges. 11531 proven. 5797 refuted. 0 times theorem prover too weak. 5552 trivial. 0 not checked. [2021-11-23 01:05:24,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 567 states and 2584 transitions. [2021-11-23 01:05:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 2584 transitions. [2021-11-23 01:05:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-23 01:05:24,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:24,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 23252 backedges. 6230 proven. 17021 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:34,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 573 states and 2654 transitions. [2021-11-23 01:05:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 2654 transitions. [2021-11-23 01:05:34,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-23 01:05:34,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:34,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 23627 backedges. 11906 proven. 5985 refuted. 0 times theorem prover too weak. 5736 trivial. 0 not checked. [2021-11-23 01:05:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:37,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 576 states and 2657 transitions. [2021-11-23 01:05:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 2657 transitions. [2021-11-23 01:05:37,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-23 01:05:37,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:37,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 24005 backedges. 6425 proven. 17579 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:47,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 582 states and 2728 transitions. [2021-11-23 01:05:47,869 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 2728 transitions. [2021-11-23 01:05:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-11-23 01:05:47,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:47,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:48,657 INFO L134 CoverageAnalysis]: Checked inductivity of 24386 backedges. 12287 proven. 6176 refuted. 0 times theorem prover too weak. 5923 trivial. 0 not checked. [2021-11-23 01:05:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 585 states and 2731 transitions. [2021-11-23 01:05:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 2731 transitions. [2021-11-23 01:05:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2021-11-23 01:05:52,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 24770 backedges. 6623 proven. 18146 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:06:01,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 591 states and 2803 transitions. [2021-11-23 01:06:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 2803 transitions. [2021-11-23 01:06:01,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-23 01:06:01,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:01,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 25157 backedges. 12674 proven. 6370 refuted. 0 times theorem prover too weak. 6113 trivial. 0 not checked. [2021-11-23 01:06:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 594 states and 2806 transitions. [2021-11-23 01:06:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 2806 transitions. [2021-11-23 01:06:06,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-23 01:06:06,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:06,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:07,576 INFO L134 CoverageAnalysis]: Checked inductivity of 25547 backedges. 6824 proven. 18722 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:06:16,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:16,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 600 states and 2879 transitions. [2021-11-23 01:06:16,578 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 2879 transitions. [2021-11-23 01:06:16,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-11-23 01:06:16,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:16,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 25940 backedges. 13067 proven. 6567 refuted. 0 times theorem prover too weak. 6306 trivial. 0 not checked. [2021-11-23 01:06:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 603 states and 2882 transitions. [2021-11-23 01:06:20,976 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 2882 transitions. [2021-11-23 01:06:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-23 01:06:20,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 26336 backedges. 7028 proven. 19307 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:06:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:31,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 609 states and 2956 transitions. [2021-11-23 01:06:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 2956 transitions. [2021-11-23 01:06:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-23 01:06:31,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:31,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 26735 backedges. 13466 proven. 6767 refuted. 0 times theorem prover too weak. 6502 trivial. 0 not checked. [2021-11-23 01:06:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:36,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 612 states and 2959 transitions. [2021-11-23 01:06:36,486 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 2959 transitions. [2021-11-23 01:06:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-11-23 01:06:36,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:36,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 27137 backedges. 7235 proven. 19901 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:06:46,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 618 states and 3034 transitions. [2021-11-23 01:06:46,789 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 3034 transitions. [2021-11-23 01:06:46,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-11-23 01:06:46,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:46,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:47,544 INFO L134 CoverageAnalysis]: Checked inductivity of 27542 backedges. 13871 proven. 6970 refuted. 0 times theorem prover too weak. 6701 trivial. 0 not checked. [2021-11-23 01:06:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:50,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 621 states and 3037 transitions. [2021-11-23 01:06:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 3037 transitions. [2021-11-23 01:06:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-11-23 01:06:50,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:50,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:52,579 INFO L134 CoverageAnalysis]: Checked inductivity of 27950 backedges. 7445 proven. 20504 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:01,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 627 states and 3113 transitions. [2021-11-23 01:07:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 3113 transitions. [2021-11-23 01:07:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-11-23 01:07:01,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:01,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 28361 backedges. 14282 proven. 7176 refuted. 0 times theorem prover too weak. 6903 trivial. 0 not checked. [2021-11-23 01:07:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 630 states and 3116 transitions. [2021-11-23 01:07:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 3116 transitions. [2021-11-23 01:07:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2021-11-23 01:07:06,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:06,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 28775 backedges. 7658 proven. 21116 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 636 states and 3193 transitions. [2021-11-23 01:07:17,462 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 3193 transitions. [2021-11-23 01:07:17,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-23 01:07:17,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:17,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 29192 backedges. 14699 proven. 7385 refuted. 0 times theorem prover too weak. 7108 trivial. 0 not checked. [2021-11-23 01:07:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 639 states and 3196 transitions. [2021-11-23 01:07:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 3196 transitions. [2021-11-23 01:07:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-11-23 01:07:22,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:22,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:23,706 INFO L134 CoverageAnalysis]: Checked inductivity of 29612 backedges. 7874 proven. 21737 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:33,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:33,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 645 states and 3274 transitions. [2021-11-23 01:07:33,589 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 3274 transitions. [2021-11-23 01:07:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-11-23 01:07:33,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:33,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:34,620 INFO L134 CoverageAnalysis]: Checked inductivity of 30035 backedges. 15122 proven. 7597 refuted. 0 times theorem prover too weak. 7316 trivial. 0 not checked. [2021-11-23 01:07:38,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:38,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 648 states and 3277 transitions. [2021-11-23 01:07:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 3277 transitions. [2021-11-23 01:07:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-23 01:07:38,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:38,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:39,804 INFO L134 CoverageAnalysis]: Checked inductivity of 30461 backedges. 8093 proven. 22367 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:49,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 654 states and 3356 transitions. [2021-11-23 01:07:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 3356 transitions. [2021-11-23 01:07:49,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-23 01:07:49,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:49,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 30890 backedges. 15551 proven. 7812 refuted. 0 times theorem prover too weak. 7527 trivial. 0 not checked. [2021-11-23 01:07:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:53,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 657 states and 3359 transitions. [2021-11-23 01:07:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 3359 transitions. [2021-11-23 01:07:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-11-23 01:07:53,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:53,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:55,048 INFO L134 CoverageAnalysis]: Checked inductivity of 31322 backedges. 8315 proven. 23006 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:08:05,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 663 states and 3439 transitions. [2021-11-23 01:08:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 3439 transitions. [2021-11-23 01:08:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-11-23 01:08:05,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:05,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 31757 backedges. 15986 proven. 8030 refuted. 0 times theorem prover too weak. 7741 trivial. 0 not checked. [2021-11-23 01:08:10,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 666 states and 3442 transitions. [2021-11-23 01:08:10,220 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 3442 transitions. [2021-11-23 01:08:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-11-23 01:08:10,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:10,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 32195 backedges. 8540 proven. 23654 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:08:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:22,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 672 states and 3523 transitions. [2021-11-23 01:08:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 3523 transitions. [2021-11-23 01:08:22,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-11-23 01:08:22,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:22,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:23,929 INFO L134 CoverageAnalysis]: Checked inductivity of 32636 backedges. 16427 proven. 8251 refuted. 0 times theorem prover too weak. 7958 trivial. 0 not checked. [2021-11-23 01:08:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 675 states and 3526 transitions. [2021-11-23 01:08:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 3526 transitions. [2021-11-23 01:08:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2021-11-23 01:08:28,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:28,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 33080 backedges. 8768 proven. 24311 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:08:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 681 states and 3608 transitions. [2021-11-23 01:08:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 3608 transitions. [2021-11-23 01:08:41,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-11-23 01:08:41,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:41,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 33527 backedges. 16874 proven. 8475 refuted. 0 times theorem prover too weak. 8178 trivial. 0 not checked. [2021-11-23 01:08:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:46,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 684 states and 3611 transitions. [2021-11-23 01:08:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 3611 transitions. [2021-11-23 01:08:46,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-23 01:08:46,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:46,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 33977 backedges. 8999 proven. 24977 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.