./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/in-de52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/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_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/in-de52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9b751a069fbdcae3e94881bf50bfce280447c39410a7e3e609a38e97e353596d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:20:42,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:20:42,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:20:42,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:20:42,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:20:42,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:20:42,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:20:42,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:20:42,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:20:42,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:20:42,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:20:42,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:20:42,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:20:42,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:20:42,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:20:42,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:20:42,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:20:42,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:20:42,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:20:42,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:20:42,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:20:42,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:20:42,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:20:42,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:20:42,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:20:42,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:20:42,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:20:42,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:20:42,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:20:42,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:20:42,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:20:42,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:20:42,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:20:42,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:20:42,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:20:42,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:20:42,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:20:42,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:20:42,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:20:42,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:20:42,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:20:42,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:20:42,467 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:20:42,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:20:42,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:20:42,472 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:20:42,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:20:42,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:20:42,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:20:42,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:20:42,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:20:42,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:20:42,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:20:42,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:20:42,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:20:42,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:20:42,482 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:20:42,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:20:42,482 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:20:42,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:20:42,482 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:20:42,483 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:20:42,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:20:42,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:42,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:20:42,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:20:42,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:20:42,484 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:20:42,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:20:42,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:20:42,485 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_19ee0401-fa8d-413e-bdab-acd772aa98a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b751a069fbdcae3e94881bf50bfce280447c39410a7e3e609a38e97e353596d [2021-11-23 01:20:42,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:20:42,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:20:42,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:20:42,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:20:42,818 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:20:42,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops-crafted-1/in-de52.c [2021-11-23 01:20:42,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/data/90c34aacf/c3bbcc5aac46476eadb92724ee2ce367/FLAGbd00e66dd [2021-11-23 01:20:43,295 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:20:43,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/sv-benchmarks/c/loops-crafted-1/in-de52.c [2021-11-23 01:20:43,302 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/data/90c34aacf/c3bbcc5aac46476eadb92724ee2ce367/FLAGbd00e66dd [2021-11-23 01:20:43,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/data/90c34aacf/c3bbcc5aac46476eadb92724ee2ce367 [2021-11-23 01:20:43,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:20:43,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:20:43,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:43,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:20:43,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:20:43,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411731f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43, skipping insertion in model container [2021-11-23 01:20:43,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:20:43,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:20:43,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/sv-benchmarks/c/loops-crafted-1/in-de52.c[368,381] [2021-11-23 01:20:43,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:20:43,586 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:20:43,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/sv-benchmarks/c/loops-crafted-1/in-de52.c[368,381] [2021-11-23 01:20:43,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:20:43,627 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:20:43,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43 WrapperNode [2021-11-23 01:20:43,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:43,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:20:43,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:20:43,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:20:43,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,674 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-11-23 01:20:43,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:20:43,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:20:43,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:20:43,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:20:43,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:20:43,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:20:43,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:20:43,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:20:43,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:43" (1/1) ... [2021-11-23 01:20:43,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:43,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:20:43,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:20:43,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19ee0401-fa8d-413e-bdab-acd772aa98a4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:20:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:20:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:20:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:20:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:20:43,888 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:20:43,890 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:20:44,050 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:20:44,072 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:20:44,072 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 01:20:44,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:44 BoogieIcfgContainer [2021-11-23 01:20:44,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:20:44,076 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:20:44,076 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:20:44,086 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:20:44,087 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:44" (1/1) ... [2021-11-23 01:20:44,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:20:44,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2021-11-23 01:20:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2021-11-23 01:20:44,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:20:44,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,464 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 01:20:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-11-23 01:20:44,540 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-11-23 01:20:44,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:20:44,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-23 01:20:44,767 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-23 01:20:44,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:20:44,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2021-11-23 01:20:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2021-11-23 01:20:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:20:45,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,380 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 01:20:45,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 41 transitions. [2021-11-23 01:20:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 41 transitions. [2021-11-23 01:20:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:20:45,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,782 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 01:20:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 24 states and 43 transitions. [2021-11-23 01:20:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 43 transitions. [2021-11-23 01:20:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:20:45,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:46,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 48 transitions. [2021-11-23 01:20:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 48 transitions. [2021-11-23 01:20:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:20:46,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:46,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 29 states and 56 transitions. [2021-11-23 01:20:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 56 transitions. [2021-11-23 01:20:46,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:20:46,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:47,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 36 states and 78 transitions. [2021-11-23 01:20:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 78 transitions. [2021-11-23 01:20:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:20:48,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:48,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 37 states and 80 transitions. [2021-11-23 01:20:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 80 transitions. [2021-11-23 01:20:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:20:48,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:48,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 40 states and 85 transitions. [2021-11-23 01:20:48,861 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2021-11-23 01:20:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:20:48,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:48,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 41 states and 86 transitions. [2021-11-23 01:20:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 86 transitions. [2021-11-23 01:20:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:20:49,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:49,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2021-11-23 01:20:49,788 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2021-11-23 01:20:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:20:49,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:49,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:50,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:50,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 46 states and 97 transitions. [2021-11-23 01:20:50,523 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 97 transitions. [2021-11-23 01:20:50,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:20:50,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:50,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 47 states and 99 transitions. [2021-11-23 01:20:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 99 transitions. [2021-11-23 01:20:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:20:51,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:51,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:20:52,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 106 transitions. [2021-11-23 01:20:52,185 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2021-11-23 01:20:52,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:20:52,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:52,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:52,301 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2021-11-23 01:20:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2021-11-23 01:20:53,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:20:53,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:53,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:20:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 61 states and 128 transitions. [2021-11-23 01:20:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2021-11-23 01:20:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:20:54,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:54,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:54,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 130 transitions. [2021-11-23 01:20:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 130 transitions. [2021-11-23 01:20:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:20:55,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:55,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:56,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 69 states and 145 transitions. [2021-11-23 01:20:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 145 transitions. [2021-11-23 01:20:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:20:56,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:56,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:57,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 70 states and 148 transitions. [2021-11-23 01:20:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 148 transitions. [2021-11-23 01:20:57,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:20:57,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:57,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:58,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 72 states and 154 transitions. [2021-11-23 01:20:58,041 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 154 transitions. [2021-11-23 01:20:58,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:20:58,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:58,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:58,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:58,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 73 states and 156 transitions. [2021-11-23 01:20:58,756 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 156 transitions. [2021-11-23 01:20:58,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:20:58,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:58,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:58,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:20:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 74 states and 156 transitions. [2021-11-23 01:20:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 156 transitions. [2021-11-23 01:20:58,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:20:58,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:58,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:20:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 77 states and 160 transitions. [2021-11-23 01:20:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 160 transitions. [2021-11-23 01:20:59,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:20:59,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:59,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:21:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:01,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 78 states and 161 transitions. [2021-11-23 01:21:01,250 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 161 transitions. [2021-11-23 01:21:01,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:21:01,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:01,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:01,418 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:21:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 83 states and 179 transitions. [2021-11-23 01:21:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 179 transitions. [2021-11-23 01:21:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:21:03,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:03,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:03,260 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 85 states and 186 transitions. [2021-11-23 01:21:04,250 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 186 transitions. [2021-11-23 01:21:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:21:04,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:04,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:05,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:05,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 86 states and 188 transitions. [2021-11-23 01:21:05,026 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 188 transitions. [2021-11-23 01:21:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:05,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:05,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 91 states and 201 transitions. [2021-11-23 01:21:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 201 transitions. [2021-11-23 01:21:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:06,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:06,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:06,302 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:21:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 94 states and 204 transitions. [2021-11-23 01:21:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 204 transitions. [2021-11-23 01:21:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:06,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:06,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:21:07,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 95 states and 208 transitions. [2021-11-23 01:21:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 208 transitions. [2021-11-23 01:21:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:07,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:07,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:08,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:08,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 97 states and 209 transitions. [2021-11-23 01:21:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 209 transitions. [2021-11-23 01:21:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:08,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:08,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:09,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 99 states and 216 transitions. [2021-11-23 01:21:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 216 transitions. [2021-11-23 01:21:09,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:09,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:09,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:10,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:10,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 100 states and 218 transitions. [2021-11-23 01:21:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 218 transitions. [2021-11-23 01:21:10,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:10,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:10,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:11,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:11,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 102 states and 221 transitions. [2021-11-23 01:21:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 221 transitions. [2021-11-23 01:21:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:11,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:11,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:11,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 103 states and 224 transitions. [2021-11-23 01:21:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 224 transitions. [2021-11-23 01:21:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:11,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:11,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:13,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 108 states and 234 transitions. [2021-11-23 01:21:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 234 transitions. [2021-11-23 01:21:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:13,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:13,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:21:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 113 states and 251 transitions. [2021-11-23 01:21:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 251 transitions. [2021-11-23 01:21:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:15,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:15,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:21:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 115 states and 254 transitions. [2021-11-23 01:21:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 254 transitions. [2021-11-23 01:21:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:16,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:16,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:21:17,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 256 transitions. [2021-11-23 01:21:17,310 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 256 transitions. [2021-11-23 01:21:17,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:17,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:17,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 118 states and 263 transitions. [2021-11-23 01:21:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 263 transitions. [2021-11-23 01:21:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:18,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:18,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 119 states and 265 transitions. [2021-11-23 01:21:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 265 transitions. [2021-11-23 01:21:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:19,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:19,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:21:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 127 states and 274 transitions. [2021-11-23 01:21:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 274 transitions. [2021-11-23 01:21:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:22,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:22,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:21:23,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 128 states and 275 transitions. [2021-11-23 01:21:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 275 transitions. [2021-11-23 01:21:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:23,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:23,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:21:24,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:24,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 132 states and 279 transitions. [2021-11-23 01:21:24,355 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 279 transitions. [2021-11-23 01:21:24,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:24,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:24,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:21:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 133 states and 280 transitions. [2021-11-23 01:21:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 280 transitions. [2021-11-23 01:21:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:24,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:24,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:25,016 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:21:25,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 135 states and 281 transitions. [2021-11-23 01:21:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 281 transitions. [2021-11-23 01:21:25,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:25,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:25,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:25,912 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:21:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 136 states and 283 transitions. [2021-11-23 01:21:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 283 transitions. [2021-11-23 01:21:26,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:26,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:26,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:27,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 136 states and 278 transitions. [2021-11-23 01:21:27,565 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 278 transitions. [2021-11-23 01:21:27,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:27,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:27,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:28,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 137 states and 280 transitions. [2021-11-23 01:21:28,303 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 280 transitions. [2021-11-23 01:21:28,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:28,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:28,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 138 states and 282 transitions. [2021-11-23 01:21:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 282 transitions. [2021-11-23 01:21:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:28,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:28,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:30,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 140 states and 289 transitions. [2021-11-23 01:21:30,486 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 289 transitions. [2021-11-23 01:21:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:30,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:30,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:31,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 141 states and 291 transitions. [2021-11-23 01:21:31,862 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 291 transitions. [2021-11-23 01:21:31,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:31,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:31,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:31,942 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 146 states and 303 transitions. [2021-11-23 01:21:33,676 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 303 transitions. [2021-11-23 01:21:33,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:33,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:33,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:21:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:37,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 148 states and 306 transitions. [2021-11-23 01:21:37,040 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 306 transitions. [2021-11-23 01:21:37,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:37,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:37,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 152 states and 310 transitions. [2021-11-23 01:21:38,480 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 310 transitions. [2021-11-23 01:21:38,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:38,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:38,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 159 states and 334 transitions. [2021-11-23 01:21:42,690 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 334 transitions. [2021-11-23 01:21:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:42,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:42,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 161 states and 336 transitions. [2021-11-23 01:21:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 336 transitions. [2021-11-23 01:21:43,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:43,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:43,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 162 states and 337 transitions. [2021-11-23 01:21:44,582 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 337 transitions. [2021-11-23 01:21:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:44,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:44,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 163 states and 338 transitions. [2021-11-23 01:21:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 338 transitions. [2021-11-23 01:21:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:45,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:45,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:47,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:47,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 165 states and 347 transitions. [2021-11-23 01:21:47,129 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 347 transitions. [2021-11-23 01:21:47,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:47,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:47,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:47,585 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 166 states and 349 transitions. [2021-11-23 01:21:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 349 transitions. [2021-11-23 01:21:48,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:21:48,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:21:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 170 states and 354 transitions. [2021-11-23 01:21:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 354 transitions. [2021-11-23 01:21:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:21:50,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:50,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:50,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 171 states and 357 transitions. [2021-11-23 01:21:50,901 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 357 transitions. [2021-11-23 01:21:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:21:50,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:50,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:21:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:51,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 172 states and 358 transitions. [2021-11-23 01:21:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 358 transitions. [2021-11-23 01:21:51,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:21:51,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:51,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:54,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 178 states and 369 transitions. [2021-11-23 01:21:54,615 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 369 transitions. [2021-11-23 01:21:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:21:54,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:54,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:55,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:55,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 179 states and 371 transitions. [2021-11-23 01:21:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 371 transitions. [2021-11-23 01:21:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:21:55,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:55,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 181 states and 372 transitions. [2021-11-23 01:21:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 372 transitions. [2021-11-23 01:21:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:21:56,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:56,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 182 states and 373 transitions. [2021-11-23 01:21:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 373 transitions. [2021-11-23 01:21:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:21:57,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:57,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:58,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 183 states and 374 transitions. [2021-11-23 01:21:58,161 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 374 transitions. [2021-11-23 01:21:58,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:21:58,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:58,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:58,466 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 185 states and 383 transitions. [2021-11-23 01:22:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 383 transitions. [2021-11-23 01:22:00,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:22:00,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:00,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 186 states and 385 transitions. [2021-11-23 01:22:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 385 transitions. [2021-11-23 01:22:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:01,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:01,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:22:02,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 187 states and 386 transitions. [2021-11-23 01:22:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 386 transitions. [2021-11-23 01:22:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:02,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:02,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:22:04,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 191 states and 392 transitions. [2021-11-23 01:22:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 392 transitions. [2021-11-23 01:22:04,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:04,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:04,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:22:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 196 states and 397 transitions. [2021-11-23 01:22:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 397 transitions. [2021-11-23 01:22:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:06,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:06,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:22:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 197 states and 397 transitions. [2021-11-23 01:22:07,346 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 397 transitions. [2021-11-23 01:22:07,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:07,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:22:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 198 states and 397 transitions. [2021-11-23 01:22:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 397 transitions. [2021-11-23 01:22:07,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:07,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:22:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 199 states and 398 transitions. [2021-11-23 01:22:08,630 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 398 transitions. [2021-11-23 01:22:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:08,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:08,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:22:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:14,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 206 states and 420 transitions. [2021-11-23 01:22:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 420 transitions. [2021-11-23 01:22:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:14,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:14,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:14,720 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:22:16,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 209 states and 426 transitions. [2021-11-23 01:22:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 426 transitions. [2021-11-23 01:22:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:16,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:16,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:16,882 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:22:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 211 states and 427 transitions. [2021-11-23 01:22:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 427 transitions. [2021-11-23 01:22:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:18,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:18,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 212 states and 428 transitions. [2021-11-23 01:22:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 428 transitions. [2021-11-23 01:22:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:18,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:18,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:19,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:19,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 213 states and 429 transitions. [2021-11-23 01:22:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 429 transitions. [2021-11-23 01:22:19,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:19,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:19,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 214 states and 430 transitions. [2021-11-23 01:22:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 430 transitions. [2021-11-23 01:22:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:20,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 216 states and 439 transitions. [2021-11-23 01:22:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 439 transitions. [2021-11-23 01:22:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:22:23,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:23,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 217 states and 441 transitions. [2021-11-23 01:22:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 441 transitions. [2021-11-23 01:22:25,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:25,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:25,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:25,275 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:22:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 218 states and 443 transitions. [2021-11-23 01:22:25,958 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 443 transitions. [2021-11-23 01:22:25,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:25,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:25,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:22:27,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 220 states and 445 transitions. [2021-11-23 01:22:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 445 transitions. [2021-11-23 01:22:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:27,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:27,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:22:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 225 states and 456 transitions. [2021-11-23 01:22:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 456 transitions. [2021-11-23 01:22:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:29,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:29,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 229 states and 460 transitions. [2021-11-23 01:22:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 460 transitions. [2021-11-23 01:22:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:31,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:31,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:31,818 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:22:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 230 states and 461 transitions. [2021-11-23 01:22:32,536 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 461 transitions. [2021-11-23 01:22:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:32,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:32,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:22:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 231 states and 463 transitions. [2021-11-23 01:22:33,881 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 463 transitions. [2021-11-23 01:22:33,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:33,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:33,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 231 states and 458 transitions. [2021-11-23 01:22:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 458 transitions. [2021-11-23 01:22:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:35,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:35,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:36,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 232 states and 459 transitions. [2021-11-23 01:22:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 459 transitions. [2021-11-23 01:22:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:36,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:36,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 233 states and 460 transitions. [2021-11-23 01:22:37,204 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 460 transitions. [2021-11-23 01:22:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:37,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:37,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:38,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:38,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 234 states and 461 transitions. [2021-11-23 01:22:38,042 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 461 transitions. [2021-11-23 01:22:38,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:38,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:38,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:38,543 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 236 states and 470 transitions. [2021-11-23 01:22:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 470 transitions. [2021-11-23 01:22:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:40,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:40,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:43,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 237 states and 472 transitions. [2021-11-23 01:22:43,011 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 472 transitions. [2021-11-23 01:22:43,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:22:43,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:43,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:23:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 247 states and 483 transitions. [2021-11-23 01:23:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 483 transitions. [2021-11-23 01:23:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:02,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:02,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:23:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 250 states and 487 transitions. [2021-11-23 01:23:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 487 transitions. [2021-11-23 01:23:11,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:11,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:11,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:11,343 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:16,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:16,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 256 states and 498 transitions. [2021-11-23 01:23:16,928 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 498 transitions. [2021-11-23 01:23:16,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:16,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:16,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:23:18,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 257 states and 501 transitions. [2021-11-23 01:23:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 501 transitions. [2021-11-23 01:23:18,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:18,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:18,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:23:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:27,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 266 states and 529 transitions. [2021-11-23 01:23:27,099 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 529 transitions. [2021-11-23 01:23:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:27,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:27,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:23:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 269 states and 533 transitions. [2021-11-23 01:23:29,703 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 533 transitions. [2021-11-23 01:23:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:29,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:29,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:23:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 271 states and 533 transitions. [2021-11-23 01:23:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 533 transitions. [2021-11-23 01:23:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:31,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:31,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:32,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:32,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 272 states and 534 transitions. [2021-11-23 01:23:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 534 transitions. [2021-11-23 01:23:32,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:32,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:32,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 273 states and 535 transitions. [2021-11-23 01:23:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 535 transitions. [2021-11-23 01:23:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:33,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:33,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:33,619 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:34,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 274 states and 536 transitions. [2021-11-23 01:23:34,677 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 536 transitions. [2021-11-23 01:23:34,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:34,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:34,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 276 states and 545 transitions. [2021-11-23 01:23:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 545 transitions. [2021-11-23 01:23:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:38,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:38,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:38,814 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:40,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 277 states and 547 transitions. [2021-11-23 01:23:40,504 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 547 transitions. [2021-11-23 01:23:40,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:40,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:40,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:23:41,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 278 states and 548 transitions. [2021-11-23 01:23:41,642 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 548 transitions. [2021-11-23 01:23:41,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:41,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:41,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:23:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:45,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 283 states and 554 transitions. [2021-11-23 01:23:45,173 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 554 transitions. [2021-11-23 01:23:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:45,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:45,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 285 states and 555 transitions. [2021-11-23 01:23:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 555 transitions. [2021-11-23 01:23:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:46,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:46,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 291 states and 561 transitions. [2021-11-23 01:23:49,055 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 561 transitions. [2021-11-23 01:23:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:49,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:49,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:50,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 293 states and 562 transitions. [2021-11-23 01:23:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 562 transitions. [2021-11-23 01:23:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:50,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:50,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:23:51,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:51,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 294 states and 563 transitions. [2021-11-23 01:23:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 563 transitions. [2021-11-23 01:23:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:51,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:51,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:23:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 295 states and 565 transitions. [2021-11-23 01:23:52,711 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 565 transitions. [2021-11-23 01:23:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:52,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:52,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 295 states and 560 transitions. [2021-11-23 01:23:54,493 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 560 transitions. [2021-11-23 01:23:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:54,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:54,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 296 states and 561 transitions. [2021-11-23 01:23:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 561 transitions. [2021-11-23 01:23:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:55,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 297 states and 562 transitions. [2021-11-23 01:23:56,609 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 562 transitions. [2021-11-23 01:23:56,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:56,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:56,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 298 states and 563 transitions. [2021-11-23 01:23:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 563 transitions. [2021-11-23 01:23:57,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:57,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:57,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:01,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 300 states and 572 transitions. [2021-11-23 01:24:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 572 transitions. [2021-11-23 01:24:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:24:01,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:01,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:04,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:04,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 301 states and 574 transitions. [2021-11-23 01:24:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 574 transitions. [2021-11-23 01:24:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:04,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:04,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:24:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 305 states and 582 transitions. [2021-11-23 01:24:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 582 transitions. [2021-11-23 01:24:07,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:07,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:07,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:07,558 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 310 states and 593 transitions. [2021-11-23 01:24:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 593 transitions. [2021-11-23 01:24:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:11,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:11,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:24:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 314 states and 597 transitions. [2021-11-23 01:24:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 597 transitions. [2021-11-23 01:24:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:14,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:14,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:24:21,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 320 states and 619 transitions. [2021-11-23 01:24:21,825 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 619 transitions. [2021-11-23 01:24:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:21,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:21,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:24:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:25,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 323 states and 623 transitions. [2021-11-23 01:24:25,167 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 623 transitions. [2021-11-23 01:24:25,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:25,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:25,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:24:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 325 states and 627 transitions. [2021-11-23 01:24:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 627 transitions. [2021-11-23 01:24:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:27,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:27,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:24:29,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 327 states and 630 transitions. [2021-11-23 01:24:29,716 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 630 transitions. [2021-11-23 01:24:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:29,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:29,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:24:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 329 states and 632 transitions. [2021-11-23 01:24:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 632 transitions. [2021-11-23 01:24:31,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:31,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:31,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:31,909 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:24:33,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 330 states and 632 transitions. [2021-11-23 01:24:33,082 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 632 transitions. [2021-11-23 01:24:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:33,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:33,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:34,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 331 states and 633 transitions. [2021-11-23 01:24:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 633 transitions. [2021-11-23 01:24:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:34,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:34,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 332 states and 634 transitions. [2021-11-23 01:24:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 634 transitions. [2021-11-23 01:24:35,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:35,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:35,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 333 states and 635 transitions. [2021-11-23 01:24:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 635 transitions. [2021-11-23 01:24:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:36,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:36,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 335 states and 644 transitions. [2021-11-23 01:24:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 644 transitions. [2021-11-23 01:24:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:40,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:40,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:43,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 336 states and 646 transitions. [2021-11-23 01:24:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 646 transitions. [2021-11-23 01:24:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:24:43,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:43,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:24:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:46,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 337 states and 648 transitions. [2021-11-23 01:24:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 648 transitions. [2021-11-23 01:24:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:24:46,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:46,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:53,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 344 states and 660 transitions. [2021-11-23 01:24:53,466 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 660 transitions. [2021-11-23 01:24:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:24:53,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:53,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:24:55,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 345 states and 663 transitions. [2021-11-23 01:24:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 663 transitions. [2021-11-23 01:24:55,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:24:55,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:55,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:55,118 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:24:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 346 states and 664 transitions. [2021-11-23 01:24:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 664 transitions. [2021-11-23 01:24:56,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:24:56,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:56,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:24:57,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 347 states and 666 transitions. [2021-11-23 01:24:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 666 transitions. [2021-11-23 01:24:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:24:57,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:57,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 347 states and 661 transitions. [2021-11-23 01:25:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 661 transitions. [2021-11-23 01:25:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:25:00,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:00,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:00,080 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 348 states and 662 transitions. [2021-11-23 01:25:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 662 transitions. [2021-11-23 01:25:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:25:01,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:01,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:02,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 349 states and 663 transitions. [2021-11-23 01:25:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 663 transitions. [2021-11-23 01:25:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:25:02,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:02,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:03,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:03,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 350 states and 664 transitions. [2021-11-23 01:25:03,977 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 664 transitions. [2021-11-23 01:25:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:25:03,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:03,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 352 states and 673 transitions. [2021-11-23 01:25:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 673 transitions. [2021-11-23 01:25:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:25:08,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:08,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:09,563 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:25:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 353 states and 675 transitions. [2021-11-23 01:25:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 675 transitions. [2021-11-23 01:25:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:11,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:11,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:25:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 354 states and 677 transitions. [2021-11-23 01:25:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 677 transitions. [2021-11-23 01:25:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:13,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:13,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:25:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 355 states and 678 transitions. [2021-11-23 01:25:14,284 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 678 transitions. [2021-11-23 01:25:14,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:14,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:14,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:25:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:16,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 357 states and 680 transitions. [2021-11-23 01:25:16,146 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 680 transitions. [2021-11-23 01:25:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:16,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:16,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:25:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 358 states and 681 transitions. [2021-11-23 01:25:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 681 transitions. [2021-11-23 01:25:17,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:17,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:17,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:21,749 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:25:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:30,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 361 states and 686 transitions. [2021-11-23 01:25:30,409 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 686 transitions. [2021-11-23 01:25:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:30,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:30,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:25:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:32,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 362 states and 686 transitions. [2021-11-23 01:25:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 686 transitions. [2021-11-23 01:25:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:32,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:32,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:25:33,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:33,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 364 states and 687 transitions. [2021-11-23 01:25:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 687 transitions. [2021-11-23 01:25:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:33,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:33,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:25:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 371 states and 694 transitions. [2021-11-23 01:25:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 694 transitions. [2021-11-23 01:25:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:38,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:38,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:25:38,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 372 states and 694 transitions. [2021-11-23 01:25:38,736 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 694 transitions. [2021-11-23 01:25:38,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:38,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:38,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:38,812 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:25:39,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:39,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 373 states and 695 transitions. [2021-11-23 01:25:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 695 transitions. [2021-11-23 01:25:39,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:39,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:39,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 01:25:50,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 380 states and 719 transitions. [2021-11-23 01:25:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 719 transitions. [2021-11-23 01:25:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:50,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:50,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 01:25:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 383 states and 724 transitions. [2021-11-23 01:25:54,390 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 724 transitions. [2021-11-23 01:25:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:54,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:54,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 01:25:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 386 states and 731 transitions. [2021-11-23 01:25:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 731 transitions. [2021-11-23 01:25:58,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:58,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:58,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 01:26:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:02,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 389 states and 733 transitions. [2021-11-23 01:26:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 733 transitions. [2021-11-23 01:26:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:26:02,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:02,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 01:26:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 390 states and 733 transitions. [2021-11-23 01:26:03,827 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 733 transitions. [2021-11-23 01:26:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:26:03,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:03,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 01:26:05,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 391 states and 733 transitions. [2021-11-23 01:26:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 733 transitions. [2021-11-23 01:26:05,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:26:05,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:05,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:06,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 392 states and 734 transitions. [2021-11-23 01:26:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 734 transitions. [2021-11-23 01:26:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:26:06,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:06,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 393 states and 735 transitions. [2021-11-23 01:26:08,091 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 735 transitions. [2021-11-23 01:26:08,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:26:08,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:08,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 394 states and 736 transitions. [2021-11-23 01:26:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 736 transitions. [2021-11-23 01:26:09,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:26:09,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:09,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:10,378 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:14,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 396 states and 745 transitions. [2021-11-23 01:26:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 745 transitions. [2021-11-23 01:26:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:26:14,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:14,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:19,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 397 states and 747 transitions. [2021-11-23 01:26:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 747 transitions. [2021-11-23 01:26:19,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:26:19,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:19,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 23 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:26:33,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:33,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 409 states and 760 transitions. [2021-11-23 01:26:33,698 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 760 transitions. [2021-11-23 01:26:33,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:26:33,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:33,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:34,468 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:26:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:40,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 415 states and 767 transitions. [2021-11-23 01:26:40,000 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 767 transitions. [2021-11-23 01:26:40,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:26:40,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:40,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:40,103 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:26:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 420 states and 778 transitions. [2021-11-23 01:26:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 778 transitions. [2021-11-23 01:26:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:26:44,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:44,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:44,915 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:26:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:48,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 424 states and 782 transitions. [2021-11-23 01:26:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 782 transitions. [2021-11-23 01:26:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:26:48,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:48,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:48,913 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:26:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 425 states and 783 transitions. [2021-11-23 01:26:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 783 transitions. [2021-11-23 01:26:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:26:50,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:50,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:50,340 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 01:26:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 426 states and 785 transitions. [2021-11-23 01:26:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 785 transitions. [2021-11-23 01:26:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:26:52,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:52,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:52,602 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 426 states and 780 transitions. [2021-11-23 01:26:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 780 transitions. [2021-11-23 01:26:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:26:55,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:55,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 427 states and 781 transitions. [2021-11-23 01:26:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 781 transitions. [2021-11-23 01:26:56,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:26:56,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:56,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:26:58,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 428 states and 782 transitions. [2021-11-23 01:26:58,801 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 782 transitions. [2021-11-23 01:26:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:26:58,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:58,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 429 states and 783 transitions. [2021-11-23 01:27:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 783 transitions. [2021-11-23 01:27:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:27:00,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:00,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:05,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 431 states and 792 transitions. [2021-11-23 01:27:05,561 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 792 transitions. [2021-11-23 01:27:05,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:27:05,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:05,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:09,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 432 states and 794 transitions. [2021-11-23 01:27:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 794 transitions. [2021-11-23 01:27:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:09,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:27:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:14,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 436 states and 803 transitions. [2021-11-23 01:27:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 803 transitions. [2021-11-23 01:27:14,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:14,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:14,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:23,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:23,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 442 states and 815 transitions. [2021-11-23 01:27:23,176 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 815 transitions. [2021-11-23 01:27:23,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:23,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:23,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:27:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 443 states and 818 transitions. [2021-11-23 01:27:25,197 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 818 transitions. [2021-11-23 01:27:25,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:25,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:25,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:26,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 444 states and 818 transitions. [2021-11-23 01:27:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 818 transitions. [2021-11-23 01:27:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:26,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:26,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:27,350 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:27:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 455 states and 851 transitions. [2021-11-23 01:27:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 851 transitions. [2021-11-23 01:27:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:46,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:46,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:27:52,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 459 states and 856 transitions. [2021-11-23 01:27:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 856 transitions. [2021-11-23 01:27:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:52,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:52,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:27:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:55,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 461 states and 857 transitions. [2021-11-23 01:27:55,649 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 857 transitions. [2021-11-23 01:27:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:55,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:55,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:27:57,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 462 states and 858 transitions. [2021-11-23 01:27:57,206 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 858 transitions. [2021-11-23 01:27:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:57,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:57,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:28:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:00,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 464 states and 859 transitions. [2021-11-23 01:28:00,536 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 859 transitions. [2021-11-23 01:28:00,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:28:00,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:00,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 465 states and 860 transitions. [2021-11-23 01:28:02,499 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 860 transitions. [2021-11-23 01:28:02,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:28:02,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:02,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 466 states and 861 transitions. [2021-11-23 01:28:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 861 transitions. [2021-11-23 01:28:04,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:28:04,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:04,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:04,396 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:05,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 467 states and 862 transitions. [2021-11-23 01:28:05,893 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 862 transitions. [2021-11-23 01:28:05,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:28:05,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:05,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 469 states and 871 transitions. [2021-11-23 01:28:12,237 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 871 transitions. [2021-11-23 01:28:12,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:28:12,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:12,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 470 states and 873 transitions. [2021-11-23 01:28:17,142 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 873 transitions. [2021-11-23 01:28:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:17,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:17,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 485 states and 895 transitions. [2021-11-23 01:28:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 895 transitions. [2021-11-23 01:28:41,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:41,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:41,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:41,469 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:28:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 486 states and 896 transitions. [2021-11-23 01:28:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 896 transitions. [2021-11-23 01:28:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:43,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:43,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:28:49,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 494 states and 904 transitions. [2021-11-23 01:28:49,191 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 904 transitions. [2021-11-23 01:28:49,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:49,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:49,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:28:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:52,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 497 states and 906 transitions. [2021-11-23 01:28:52,114 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 906 transitions. [2021-11-23 01:28:52,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:52,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:52,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:52,205 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:28:54,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 499 states and 907 transitions. [2021-11-23 01:28:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 907 transitions. [2021-11-23 01:28:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:54,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:54,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-23 01:28:56,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 500 states and 908 transitions. [2021-11-23 01:28:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 908 transitions. [2021-11-23 01:28:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:56,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:56,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:28:58,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:58,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 501 states and 910 transitions. [2021-11-23 01:28:58,780 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 910 transitions. [2021-11-23 01:28:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:58,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:58,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:58,868 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:01,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 501 states and 905 transitions. [2021-11-23 01:29:01,834 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 905 transitions. [2021-11-23 01:29:01,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:01,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:01,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 163 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:04,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 502 states and 906 transitions. [2021-11-23 01:29:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 906 transitions. [2021-11-23 01:29:04,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:04,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:04,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 163 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:05,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 503 states and 907 transitions. [2021-11-23 01:29:05,691 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 907 transitions. [2021-11-23 01:29:05,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:05,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 163 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 504 states and 908 transitions. [2021-11-23 01:29:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 908 transitions. [2021-11-23 01:29:07,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:07,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:07,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:14,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 506 states and 917 transitions. [2021-11-23 01:29:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 917 transitions. [2021-11-23 01:29:14,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:14,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:14,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:16,098 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:19,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:19,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 507 states and 919 transitions. [2021-11-23 01:29:19,913 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 919 transitions. [2021-11-23 01:29:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:29:19,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:19,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:29:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 509 states and 922 transitions. [2021-11-23 01:29:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 922 transitions. [2021-11-23 01:29:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:29:25,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:25,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:29:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:48,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 513 states and 928 transitions. [2021-11-23 01:29:48,847 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 928 transitions. [2021-11-23 01:29:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:29:48,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:48,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:29:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:51,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 514 states and 928 transitions. [2021-11-23 01:29:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 928 transitions. [2021-11-23 01:29:51,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:29:51,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:51,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:29:58,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:58,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 519 states and 939 transitions. [2021-11-23 01:29:58,157 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 939 transitions. [2021-11-23 01:29:58,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:29:58,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:58,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:03,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:03,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 523 states and 943 transitions. [2021-11-23 01:30:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 943 transitions. [2021-11-23 01:30:03,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:03,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:03,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 01:30:21,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 531 states and 969 transitions. [2021-11-23 01:30:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 969 transitions. [2021-11-23 01:30:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:21,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:21,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 01:30:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:31,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 536 states and 978 transitions. [2021-11-23 01:30:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 978 transitions. [2021-11-23 01:30:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:31,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:31,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 01:30:34,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 538 states and 981 transitions. [2021-11-23 01:30:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 981 transitions. [2021-11-23 01:30:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:34,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:34,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 01:30:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 542 states and 986 transitions. [2021-11-23 01:30:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 986 transitions. [2021-11-23 01:30:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:42,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:42,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 01:30:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:46,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 544 states and 987 transitions. [2021-11-23 01:30:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 987 transitions. [2021-11-23 01:30:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:46,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:46,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 01:30:48,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 545 states and 987 transitions. [2021-11-23 01:30:48,730 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 987 transitions. [2021-11-23 01:30:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:48,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:48,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:50,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 546 states and 988 transitions. [2021-11-23 01:30:50,393 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 988 transitions. [2021-11-23 01:30:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:50,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:50,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:52,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 547 states and 989 transitions. [2021-11-23 01:30:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 989 transitions. [2021-11-23 01:30:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:52,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:52,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 548 states and 990 transitions. [2021-11-23 01:30:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 990 transitions. [2021-11-23 01:30:55,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:55,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:55,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 213 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:31:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 550 states and 999 transitions. [2021-11-23 01:31:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 999 transitions. [2021-11-23 01:31:02,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:31:02,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:02,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:04,356 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:31:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 551 states and 1001 transitions. [2021-11-23 01:31:08,823 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1001 transitions. [2021-11-23 01:31:08,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:08,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:08,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:31:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 554 states and 1005 transitions. [2021-11-23 01:31:13,219 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1005 transitions. [2021-11-23 01:31:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:13,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:13,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:31:15,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:15,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 555 states and 1006 transitions. [2021-11-23 01:31:15,021 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1006 transitions. [2021-11-23 01:31:15,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:15,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:15,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:31:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 556 states and 1006 transitions. [2021-11-23 01:31:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1006 transitions. [2021-11-23 01:31:17,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:17,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:17,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 22 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:31:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 563 states and 1014 transitions. [2021-11-23 01:31:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1014 transitions. [2021-11-23 01:31:27,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:27,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:27,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 569 states and 1027 transitions. [2021-11-23 01:31:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1027 transitions. [2021-11-23 01:31:39,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:39,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:39,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:31:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 570 states and 1030 transitions. [2021-11-23 01:31:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1030 transitions. [2021-11-23 01:31:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:41,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:41,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:44,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 572 states and 1030 transitions. [2021-11-23 01:31:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1030 transitions. [2021-11-23 01:31:44,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:44,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:44,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:44,836 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-23 01:31:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:46,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 573 states and 1031 transitions. [2021-11-23 01:31:46,782 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1031 transitions. [2021-11-23 01:31:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:46,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:46,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:46,836 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 01:31:49,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 574 states and 1033 transitions. [2021-11-23 01:31:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1033 transitions. [2021-11-23 01:31:49,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:49,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:49,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:50,012 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:31:53,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:53,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 574 states and 1028 transitions. [2021-11-23 01:31:53,781 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1028 transitions. [2021-11-23 01:31:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:53,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:53,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:31:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 575 states and 1029 transitions. [2021-11-23 01:31:56,293 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1029 transitions. [2021-11-23 01:31:56,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:56,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:56,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:31:58,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 576 states and 1030 transitions. [2021-11-23 01:31:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1030 transitions. [2021-11-23 01:31:58,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:58,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:58,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:32:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 577 states and 1031 transitions. [2021-11-23 01:32:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1031 transitions. [2021-11-23 01:32:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:32:00,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:00,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:32:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 579 states and 1040 transitions. [2021-11-23 01:32:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1040 transitions. [2021-11-23 01:32:08,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:32:08,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:08,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:10,670 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:32:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 580 states and 1042 transitions. [2021-11-23 01:32:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1042 transitions. [2021-11-23 01:32:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:32:15,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:15,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:32:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 584 states and 1052 transitions. [2021-11-23 01:32:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1052 transitions. [2021-11-23 01:32:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:32:22,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:22,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:32:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 585 states and 1053 transitions. [2021-11-23 01:32:24,191 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1053 transitions. [2021-11-23 01:32:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:32:24,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:24,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.