./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label39.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_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/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_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label39.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/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_bc8c2d4a-b61a-45d1-935a-41af78f84940/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 df91cf7fabdfc9cc20a98958eabb18c5ea381c0ab10bc73ecd71f7b0a0a9ac91 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:06:55,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:06:55,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:06:55,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:06:55,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:06:55,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:06:55,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:06:55,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:06:55,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:06:55,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:06:55,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:06:55,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:06:55,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:06:55,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:06:55,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:06:55,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:06:55,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:06:55,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:06:55,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:06:55,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:06:55,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:06:55,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:06:55,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:06:55,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:06:55,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:06:55,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:06:55,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:06:55,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:06:55,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:06:55,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:06:55,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:06:55,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:06:55,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:06:55,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:06:55,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:06:55,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:06:55,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:06:55,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:06:55,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:06:55,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:06:55,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:06:55,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:06:55,771 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:06:55,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:06:55,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:06:55,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:06:55,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:06:55,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:06:55,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:06:55,776 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:06:55,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:06:55,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:06:55,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:06:55,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:06:55,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:06:55,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:06:55,778 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:06:55,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:06:55,779 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:06:55,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:06:55,779 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:06:55,780 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:06:55,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:06:55,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:06:55,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:06:55,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:06:55,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:06:55,781 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:06:55,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:06:55,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:06:55,782 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_bc8c2d4a-b61a-45d1-935a-41af78f84940/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df91cf7fabdfc9cc20a98958eabb18c5ea381c0ab10bc73ecd71f7b0a0a9ac91 [2021-11-22 23:06:56,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:06:56,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:06:56,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:06:56,085 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:06:56,086 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:06:56,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem06_label39.c [2021-11-22 23:06:56,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/data/5f302d084/c7dd2301958f4129b6ab2d6657c03b9b/FLAG172ab5720 [2021-11-22 23:06:57,227 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:06:57,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/sv-benchmarks/c/eca-rers2012/Problem06_label39.c [2021-11-22 23:06:57,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/data/5f302d084/c7dd2301958f4129b6ab2d6657c03b9b/FLAG172ab5720 [2021-11-22 23:06:57,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/data/5f302d084/c7dd2301958f4129b6ab2d6657c03b9b [2021-11-22 23:06:57,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:06:57,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:06:57,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:06:57,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:06:57,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:06:57,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:06:57" (1/1) ... [2021-11-22 23:06:57,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521e215b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:57, skipping insertion in model container [2021-11-22 23:06:57,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:06:57" (1/1) ... [2021-11-22 23:06:57,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:06:57,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:07:00,055 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_bc8c2d4a-b61a-45d1-935a-41af78f84940/sv-benchmarks/c/eca-rers2012/Problem06_label39.c[333799,333812] [2021-11-22 23:07:00,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:07:00,094 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:07:01,230 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_bc8c2d4a-b61a-45d1-935a-41af78f84940/sv-benchmarks/c/eca-rers2012/Problem06_label39.c[333799,333812] [2021-11-22 23:07:01,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:07:01,288 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:07:01,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01 WrapperNode [2021-11-22 23:07:01,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:07:01,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:07:01,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:07:01,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:07:01,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01" (1/1) ... [2021-11-22 23:07:01,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01" (1/1) ... [2021-11-22 23:07:02,026 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10173 [2021-11-22 23:07:02,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:07:02,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:07:02,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:07:02,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:07:02,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01" (1/1) ... [2021-11-22 23:07:02,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01" (1/1) ... [2021-11-22 23:07:02,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01" (1/1) ... [2021-11-22 23:07:02,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01" (1/1) ... [2021-11-22 23:07:02,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01" (1/1) ... [2021-11-22 23:07:02,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01" (1/1) ... [2021-11-22 23:07:02,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01" (1/1) ... [2021-11-22 23:07:02,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:07:02,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:07:02,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:07:02,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:07:02,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:01" (1/1) ... [2021-11-22 23:07:02,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:07:02,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:07:02,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:07:02,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8c2d4a-b61a-45d1-935a-41af78f84940/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:07:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:07:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:07:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:07:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:07:02,715 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:07:02,721 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:07:08,779 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:07:09,853 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:07:09,854 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:07:09,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:09 BoogieIcfgContainer [2021-11-22 23:07:09,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:07:09,859 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:07:09,859 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:07:09,870 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:07:09,870 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:09" (1/1) ... [2021-11-22 23:07:09,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:07:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2021-11-22 23:07:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2021-11-22 23:07:10,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2021-11-22 23:07:10,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:10,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:12,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 1865 states and 2827 transitions. [2021-11-22 23:07:18,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2827 transitions. [2021-11-22 23:07:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2021-11-22 23:07:18,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 1873 states and 2837 transitions. [2021-11-22 23:07:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2837 transitions. [2021-11-22 23:07:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 951 [2021-11-22 23:07:19,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,798 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:20,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 1893 states and 2860 transitions. [2021-11-22 23:07:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2860 transitions. [2021-11-22 23:07:20,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2021-11-22 23:07:20,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,681 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 1919 states and 2890 transitions. [2021-11-22 23:07:21,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2890 transitions. [2021-11-22 23:07:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 974 [2021-11-22 23:07:21,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,792 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 1962 states and 2938 transitions. [2021-11-22 23:07:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2938 transitions. [2021-11-22 23:07:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 993 [2021-11-22 23:07:22,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:23,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 1981 states and 2957 transitions. [2021-11-22 23:07:23,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2957 transitions. [2021-11-22 23:07:23,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2021-11-22 23:07:23,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:25,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 2038 states and 3017 transitions. [2021-11-22 23:07:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 3017 transitions. [2021-11-22 23:07:25,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1000 [2021-11-22 23:07:25,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 2107 states and 3092 transitions. [2021-11-22 23:07:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 3092 transitions. [2021-11-22 23:07:26,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1010 [2021-11-22 23:07:26,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:29,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 2186 states and 3178 transitions. [2021-11-22 23:07:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 3178 transitions. [2021-11-22 23:07:29,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2021-11-22 23:07:29,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:31,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 2290 states and 3290 transitions. [2021-11-22 23:07:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 3290 transitions. [2021-11-22 23:07:31,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1048 [2021-11-22 23:07:31,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4602 states to 3217 states and 4602 transitions. [2021-11-22 23:07:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 4602 transitions. [2021-11-22 23:07:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1052 [2021-11-22 23:07:38,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 121 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:41,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4796 states to 3338 states and 4796 transitions. [2021-11-22 23:07:41,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3338 states and 4796 transitions. [2021-11-22 23:07:41,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1057 [2021-11-22 23:07:41,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:07:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4908 states to 3440 states and 4908 transitions. [2021-11-22 23:07:44,281 INFO L276 IsEmpty]: Start isEmpty. Operand 3440 states and 4908 transitions. [2021-11-22 23:07:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2021-11-22 23:07:44,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:07:45,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4929 states to 3451 states and 4929 transitions. [2021-11-22 23:07:45,461 INFO L276 IsEmpty]: Start isEmpty. Operand 3451 states and 4929 transitions. [2021-11-22 23:07:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2021-11-22 23:07:45,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:07:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 3512 states and 5055 transitions. [2021-11-22 23:07:48,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3512 states and 5055 transitions. [2021-11-22 23:07:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2021-11-22 23:07:48,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:07:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5065 states to 3520 states and 5065 transitions. [2021-11-22 23:07:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 5065 transitions. [2021-11-22 23:07:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2021-11-22 23:07:49,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:07:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 3533 states and 5087 transitions. [2021-11-22 23:07:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 5087 transitions. [2021-11-22 23:07:50,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1063 [2021-11-22 23:07:50,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 3548 states and 5144 transitions. [2021-11-22 23:07:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 5144 transitions. [2021-11-22 23:07:53,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1066 [2021-11-22 23:07:53,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:07:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 3670 states and 5279 transitions. [2021-11-22 23:07:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 3670 states and 5279 transitions. [2021-11-22 23:07:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1067 [2021-11-22 23:07:56,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 136 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 3680 states and 5293 transitions. [2021-11-22 23:07:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 5293 transitions. [2021-11-22 23:07:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2021-11-22 23:07:58,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 21 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:21,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 4608 states and 6473 transitions. [2021-11-22 23:08:21,456 INFO L276 IsEmpty]: Start isEmpty. Operand 4608 states and 6473 transitions. [2021-11-22 23:08:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2021-11-22 23:08:21,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:21,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:21,848 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:08:23,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6493 states to 4622 states and 6493 transitions. [2021-11-22 23:08:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4622 states and 6493 transitions. [2021-11-22 23:08:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1075 [2021-11-22 23:08:23,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:23,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 144 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6674 states to 4746 states and 6674 transitions. [2021-11-22 23:08:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 4746 states and 6674 transitions. [2021-11-22 23:08:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2021-11-22 23:08:28,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:28,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-22 23:08:29,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 4756 states and 6705 transitions. [2021-11-22 23:08:29,430 INFO L276 IsEmpty]: Start isEmpty. Operand 4756 states and 6705 transitions. [2021-11-22 23:08:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2021-11-22 23:08:29,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:29,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:08:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6726 states to 4773 states and 6726 transitions. [2021-11-22 23:08:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 4773 states and 6726 transitions. [2021-11-22 23:08:30,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2021-11-22 23:08:30,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:30,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-22 23:08:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6763 states to 4794 states and 6763 transitions. [2021-11-22 23:08:32,728 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6763 transitions. [2021-11-22 23:08:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2021-11-22 23:08:32,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:32,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:08:33,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:33,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6790 states to 4807 states and 6790 transitions. [2021-11-22 23:08:33,998 INFO L276 IsEmpty]: Start isEmpty. Operand 4807 states and 6790 transitions. [2021-11-22 23:08:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1084 [2021-11-22 23:08:34,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:34,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:08:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6847 states to 4828 states and 6847 transitions. [2021-11-22 23:08:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 4828 states and 6847 transitions. [2021-11-22 23:08:35,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1086 [2021-11-22 23:08:35,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:35,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-22 23:08:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:36,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6855 states to 4836 states and 6855 transitions. [2021-11-22 23:08:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 4836 states and 6855 transitions. [2021-11-22 23:08:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1086 [2021-11-22 23:08:36,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:36,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7026 states to 4991 states and 7026 transitions. [2021-11-22 23:08:40,599 INFO L276 IsEmpty]: Start isEmpty. Operand 4991 states and 7026 transitions. [2021-11-22 23:08:40,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2021-11-22 23:08:40,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:40,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-22 23:08:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7047 states to 5010 states and 7047 transitions. [2021-11-22 23:08:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5010 states and 7047 transitions. [2021-11-22 23:08:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2021-11-22 23:08:41,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:41,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 158 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7098 states to 5050 states and 7098 transitions. [2021-11-22 23:08:45,220 INFO L276 IsEmpty]: Start isEmpty. Operand 5050 states and 7098 transitions. [2021-11-22 23:08:45,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1093 [2021-11-22 23:08:45,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:45,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:08:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7316 states to 5178 states and 7316 transitions. [2021-11-22 23:08:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 5178 states and 7316 transitions. [2021-11-22 23:08:50,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1093 [2021-11-22 23:08:50,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:50,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-22 23:08:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7335 states to 5187 states and 7335 transitions. [2021-11-22 23:08:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 5187 states and 7335 transitions. [2021-11-22 23:08:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1096 [2021-11-22 23:08:51,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:51,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 186 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7505 states to 5273 states and 7505 transitions. [2021-11-22 23:08:56,727 INFO L276 IsEmpty]: Start isEmpty. Operand 5273 states and 7505 transitions. [2021-11-22 23:08:56,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1097 [2021-11-22 23:08:56,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:56,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 187 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:08:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7507 states to 5274 states and 7507 transitions. [2021-11-22 23:08:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 5274 states and 7507 transitions. [2021-11-22 23:08:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1097 [2021-11-22 23:08:57,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:57,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-22 23:08:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:58,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7523 states to 5285 states and 7523 transitions. [2021-11-22 23:08:58,611 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 7523 transitions. [2021-11-22 23:08:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1098 [2021-11-22 23:08:58,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:58,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-22 23:08:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7536 states to 5295 states and 7536 transitions. [2021-11-22 23:08:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 7536 transitions. [2021-11-22 23:08:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1099 [2021-11-22 23:08:59,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:59,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:59,639 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:09:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:01,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7560 states to 5314 states and 7560 transitions. [2021-11-22 23:09:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 7560 transitions. [2021-11-22 23:09:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1103 [2021-11-22 23:09:01,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:01,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:01,873 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 182 proven. 43 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:09:09,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:09,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7765 states to 5475 states and 7765 transitions. [2021-11-22 23:09:09,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 7765 transitions. [2021-11-22 23:09:09,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1105 [2021-11-22 23:09:09,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:09,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 174 proven. 55 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:09:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7975 states to 5629 states and 7975 transitions. [2021-11-22 23:09:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 5629 states and 7975 transitions. [2021-11-22 23:09:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1106 [2021-11-22 23:09:18,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:18,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8978 states to 6557 states and 8978 transitions. [2021-11-22 23:09:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 6557 states and 8978 transitions. [2021-11-22 23:09:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1109 [2021-11-22 23:09:25,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:25,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 178 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:28,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9008 states to 6580 states and 9008 transitions. [2021-11-22 23:09:28,006 INFO L276 IsEmpty]: Start isEmpty. Operand 6580 states and 9008 transitions. [2021-11-22 23:09:28,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1114 [2021-11-22 23:09:28,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:28,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-22 23:09:33,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:33,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9058 states to 6625 states and 9058 transitions. [2021-11-22 23:09:33,087 INFO L276 IsEmpty]: Start isEmpty. Operand 6625 states and 9058 transitions. [2021-11-22 23:09:33,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1116 [2021-11-22 23:09:33,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:33,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:33,577 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-22 23:09:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:33,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9061 states to 6627 states and 9061 transitions. [2021-11-22 23:09:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 6627 states and 9061 transitions. [2021-11-22 23:09:33,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1116 [2021-11-22 23:09:33,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:33,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 185 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9200 states to 6695 states and 9200 transitions. [2021-11-22 23:09:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 6695 states and 9200 transitions. [2021-11-22 23:09:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1117 [2021-11-22 23:09:36,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:36,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:37,295 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-22 23:09:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9249 states to 6733 states and 9249 transitions. [2021-11-22 23:09:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 6733 states and 9249 transitions. [2021-11-22 23:09:40,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2021-11-22 23:09:40,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:40,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:40,847 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 187 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9279 states to 6759 states and 9279 transitions. [2021-11-22 23:09:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 6759 states and 9279 transitions. [2021-11-22 23:09:42,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2021-11-22 23:09:42,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:42,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-22 23:09:43,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:43,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9297 states to 6772 states and 9297 transitions. [2021-11-22 23:09:43,390 INFO L276 IsEmpty]: Start isEmpty. Operand 6772 states and 9297 transitions. [2021-11-22 23:09:43,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1124 [2021-11-22 23:09:43,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:43,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 193 proven. 74 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:09:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9423 states to 6829 states and 9423 transitions. [2021-11-22 23:09:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 6829 states and 9423 transitions. [2021-11-22 23:09:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1124 [2021-11-22 23:09:47,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:47,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:09:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:50,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 6894 states and 9495 transitions. [2021-11-22 23:09:50,491 INFO L276 IsEmpty]: Start isEmpty. Operand 6894 states and 9495 transitions. [2021-11-22 23:09:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2021-11-22 23:09:50,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:50,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-22 23:09:52,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9520 states to 6915 states and 9520 transitions. [2021-11-22 23:09:52,584 INFO L276 IsEmpty]: Start isEmpty. Operand 6915 states and 9520 transitions. [2021-11-22 23:09:52,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2021-11-22 23:09:52,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:52,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:53,406 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 203 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:09:57,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9707 states to 7030 states and 9707 transitions. [2021-11-22 23:09:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 7030 states and 9707 transitions. [2021-11-22 23:09:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1127 [2021-11-22 23:09:57,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:57,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:58,463 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 196 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9716 states to 7039 states and 9716 transitions. [2021-11-22 23:09:58,750 INFO L276 IsEmpty]: Start isEmpty. Operand 7039 states and 9716 transitions. [2021-11-22 23:09:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1128 [2021-11-22 23:09:58,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:58,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-22 23:10:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9888 states to 7157 states and 9888 transitions. [2021-11-22 23:10:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 7157 states and 9888 transitions. [2021-11-22 23:10:07,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1128 [2021-11-22 23:10:07,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:07,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:10:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9942 states to 7200 states and 9942 transitions. [2021-11-22 23:10:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 7200 states and 9942 transitions. [2021-11-22 23:10:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1131 [2021-11-22 23:10:11,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:11,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:10:15,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:15,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10003 states to 7251 states and 10003 transitions. [2021-11-22 23:10:15,308 INFO L276 IsEmpty]: Start isEmpty. Operand 7251 states and 10003 transitions. [2021-11-22 23:10:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1131 [2021-11-22 23:10:15,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:15,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:15,701 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-22 23:10:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 7273 states and 10028 transitions. [2021-11-22 23:10:17,634 INFO L276 IsEmpty]: Start isEmpty. Operand 7273 states and 10028 transitions. [2021-11-22 23:10:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2021-11-22 23:10:17,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:17,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 202 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10103 states to 7337 states and 10103 transitions. [2021-11-22 23:10:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 7337 states and 10103 transitions. [2021-11-22 23:10:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1134 [2021-11-22 23:10:24,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:24,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 231 proven. 73 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:10:28,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:28,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10219 states to 7403 states and 10219 transitions. [2021-11-22 23:10:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7403 states and 10219 transitions. [2021-11-22 23:10:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1134 [2021-11-22 23:10:29,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:29,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 231 proven. 73 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:10:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10277 states to 7412 states and 10277 transitions. [2021-11-22 23:10:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 7412 states and 10277 transitions. [2021-11-22 23:10:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1134 [2021-11-22 23:10:30,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:30,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 215 proven. 72 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:10:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:33,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10298 states to 7424 states and 10298 transitions. [2021-11-22 23:10:33,235 INFO L276 IsEmpty]: Start isEmpty. Operand 7424 states and 10298 transitions. [2021-11-22 23:10:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1135 [2021-11-22 23:10:33,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:33,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-22 23:10:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10318 states to 7442 states and 10318 transitions. [2021-11-22 23:10:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 7442 states and 10318 transitions. [2021-11-22 23:10:34,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1135 [2021-11-22 23:10:34,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:34,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10412 states to 7529 states and 10412 transitions. [2021-11-22 23:10:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 7529 states and 10412 transitions. [2021-11-22 23:10:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1140 [2021-11-22 23:10:39,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:39,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-22 23:10:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10444 states to 7553 states and 10444 transitions. [2021-11-22 23:10:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 7553 states and 10444 transitions. [2021-11-22 23:10:42,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1141 [2021-11-22 23:10:42,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:42,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:42,975 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:10:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10516 states to 7614 states and 10516 transitions. [2021-11-22 23:10:48,408 INFO L276 IsEmpty]: Start isEmpty. Operand 7614 states and 10516 transitions. [2021-11-22 23:10:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2021-11-22 23:10:48,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:48,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-22 23:10:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10554 states to 7642 states and 10554 transitions. [2021-11-22 23:10:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 7642 states and 10554 transitions. [2021-11-22 23:10:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1144 [2021-11-22 23:10:52,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:52,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-22 23:10:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10568 states to 7654 states and 10568 transitions. [2021-11-22 23:10:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 7654 states and 10568 transitions. [2021-11-22 23:10:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2021-11-22 23:10:54,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:54,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-11-22 23:10:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10591 states to 7673 states and 10591 transitions. [2021-11-22 23:10:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 7673 states and 10591 transitions. [2021-11-22 23:10:55,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1148 [2021-11-22 23:10:55,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:55,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-22 23:11:00,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:00,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10623 states to 7697 states and 10623 transitions. [2021-11-22 23:11:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand 7697 states and 10623 transitions. [2021-11-22 23:11:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1149 [2021-11-22 23:11:00,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:00,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:11:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11795 states to 8624 states and 11795 transitions. [2021-11-22 23:11:43,818 INFO L276 IsEmpty]: Start isEmpty. Operand 8624 states and 11795 transitions. [2021-11-22 23:11:43,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1149 [2021-11-22 23:11:43,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:43,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-22 23:11:51,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:51,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12836 states to 9551 states and 12836 transitions. [2021-11-22 23:11:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 9551 states and 12836 transitions. [2021-11-22 23:11:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2021-11-22 23:11:51,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:51,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-22 23:11:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:56,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12868 states to 9576 states and 12868 transitions. [2021-11-22 23:11:56,260 INFO L276 IsEmpty]: Start isEmpty. Operand 9576 states and 12868 transitions. [2021-11-22 23:11:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1152 [2021-11-22 23:11:56,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:56,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-22 23:11:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12887 states to 9591 states and 12887 transitions. [2021-11-22 23:11:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 9591 states and 12887 transitions. [2021-11-22 23:11:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1152 [2021-11-22 23:11:58,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:58,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-22 23:12:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12919 states to 9615 states and 12919 transitions. [2021-11-22 23:12:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 9615 states and 12919 transitions. [2021-11-22 23:12:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1154 [2021-11-22 23:12:00,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:00,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-22 23:12:05,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12987 states to 9673 states and 12987 transitions. [2021-11-22 23:12:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 12987 transitions. [2021-11-22 23:12:05,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1156 [2021-11-22 23:12:05,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:05,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:05,969 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-22 23:12:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:08,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13021 states to 9701 states and 13021 transitions. [2021-11-22 23:12:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 9701 states and 13021 transitions. [2021-11-22 23:12:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2021-11-22 23:12:08,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:08,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 255 proven. 92 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:12:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13112 states to 9774 states and 13112 transitions. [2021-11-22 23:12:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 9774 states and 13112 transitions. [2021-11-22 23:12:16,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2021-11-22 23:12:16,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:16,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:12:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13179 states to 9818 states and 13179 transitions. [2021-11-22 23:12:23,981 INFO L276 IsEmpty]: Start isEmpty. Operand 9818 states and 13179 transitions. [2021-11-22 23:12:23,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2021-11-22 23:12:23,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:23,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:12:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13252 states to 9827 states and 13252 transitions. [2021-11-22 23:12:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 9827 states and 13252 transitions. [2021-11-22 23:12:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1162 [2021-11-22 23:12:27,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13288 states to 9828 states and 13288 transitions. [2021-11-22 23:12:30,015 INFO L276 IsEmpty]: Start isEmpty. Operand 9828 states and 13288 transitions. [2021-11-22 23:12:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1163 [2021-11-22 23:12:30,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:30,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 251 proven. 104 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-22 23:12:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:38,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13414 states to 9927 states and 13414 transitions. [2021-11-22 23:12:38,017 INFO L276 IsEmpty]: Start isEmpty. Operand 9927 states and 13414 transitions. [2021-11-22 23:12:38,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1164 [2021-11-22 23:12:38,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:38,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-22 23:12:40,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13428 states to 9939 states and 13428 transitions. [2021-11-22 23:12:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 9939 states and 13428 transitions. [2021-11-22 23:12:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1165 [2021-11-22 23:12:40,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:40,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:12:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13536 states to 9983 states and 13536 transitions. [2021-11-22 23:12:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 9983 states and 13536 transitions. [2021-11-22 23:12:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1166 [2021-11-22 23:12:42,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:42,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 257 proven. 104 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:12:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:49,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13577 states to 10014 states and 13577 transitions. [2021-11-22 23:12:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 10014 states and 13577 transitions. [2021-11-22 23:12:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1166 [2021-11-22 23:12:49,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:49,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:50,025 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-11-22 23:12:51,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:51,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13600 states to 10025 states and 13600 transitions. [2021-11-22 23:12:51,467 INFO L276 IsEmpty]: Start isEmpty. Operand 10025 states and 13600 transitions. [2021-11-22 23:12:51,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1167 [2021-11-22 23:12:51,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:51,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 261 proven. 109 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:12:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13629 states to 10035 states and 13629 transitions. [2021-11-22 23:12:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 10035 states and 13629 transitions. [2021-11-22 23:12:52,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1167 [2021-11-22 23:12:52,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:52,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:54,333 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-22 23:12:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13642 states to 10045 states and 13642 transitions. [2021-11-22 23:12:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 10045 states and 13642 transitions. [2021-11-22 23:12:57,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1168 [2021-11-22 23:12:57,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 260 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13653 states to 10055 states and 13653 transitions. [2021-11-22 23:12:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 10055 states and 13653 transitions. [2021-11-22 23:12:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1168 [2021-11-22 23:12:59,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:59,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 260 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13660 states to 10061 states and 13660 transitions. [2021-11-22 23:13:00,794 INFO L276 IsEmpty]: Start isEmpty. Operand 10061 states and 13660 transitions. [2021-11-22 23:13:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1168 [2021-11-22 23:13:00,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:00,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:16,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13841 states to 10181 states and 13841 transitions. [2021-11-22 23:13:16,411 INFO L276 IsEmpty]: Start isEmpty. Operand 10181 states and 13841 transitions. [2021-11-22 23:13:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1168 [2021-11-22 23:13:16,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:16,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14094 states to 10417 states and 14094 transitions. [2021-11-22 23:13:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 10417 states and 14094 transitions. [2021-11-22 23:13:29,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2021-11-22 23:13:29,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:29,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:30,469 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 303 proven. 107 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:13:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:41,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14258 states to 10506 states and 14258 transitions. [2021-11-22 23:13:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 10506 states and 14258 transitions. [2021-11-22 23:13:41,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2021-11-22 23:13:41,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:41,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 303 proven. 107 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:13:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:43,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14285 states to 10515 states and 14285 transitions. [2021-11-22 23:13:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 10515 states and 14285 transitions. [2021-11-22 23:13:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2021-11-22 23:13:43,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:43,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:13:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14296 states to 10516 states and 14296 transitions. [2021-11-22 23:13:45,992 INFO L276 IsEmpty]: Start isEmpty. Operand 10516 states and 14296 transitions. [2021-11-22 23:13:46,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1171 [2021-11-22 23:13:46,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:46,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-11-22 23:13:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14307 states to 10523 states and 14307 transitions. [2021-11-22 23:13:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 10523 states and 14307 transitions. [2021-11-22 23:13:48,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1172 [2021-11-22 23:13:48,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:48,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-11-22 23:13:50,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:50,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14323 states to 10537 states and 14323 transitions. [2021-11-22 23:13:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 10537 states and 14323 transitions. [2021-11-22 23:13:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1172 [2021-11-22 23:13:50,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:50,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:50,532 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-11-22 23:13:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:50,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14338 states to 10550 states and 14338 transitions. [2021-11-22 23:13:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 10550 states and 14338 transitions. [2021-11-22 23:13:50,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1172 [2021-11-22 23:13:50,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:50,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 293 proven. 109 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-22 23:13:52,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:52,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14351 states to 10559 states and 14351 transitions. [2021-11-22 23:13:52,733 INFO L276 IsEmpty]: Start isEmpty. Operand 10559 states and 14351 transitions. [2021-11-22 23:13:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1172 [2021-11-22 23:13:52,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:52,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-22 23:13:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14361 states to 10567 states and 14361 transitions. [2021-11-22 23:13:53,599 INFO L276 IsEmpty]: Start isEmpty. Operand 10567 states and 14361 transitions. [2021-11-22 23:13:53,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2021-11-22 23:13:53,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:53,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 271 proven. 108 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-22 23:13:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:56,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14458 states to 10611 states and 14458 transitions. [2021-11-22 23:13:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 10611 states and 14458 transitions. [2021-11-22 23:13:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2021-11-22 23:13:56,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:56,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 271 proven. 108 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-22 23:13:58,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:58,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14519 states to 10621 states and 14519 transitions. [2021-11-22 23:13:58,768 INFO L276 IsEmpty]: Start isEmpty. Operand 10621 states and 14519 transitions. [2021-11-22 23:13:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2021-11-22 23:13:58,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:58,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 271 proven. 108 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-22 23:14:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14575 states to 10630 states and 14575 transitions. [2021-11-22 23:14:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 10630 states and 14575 transitions. [2021-11-22 23:14:00,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2021-11-22 23:14:00,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:00,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-22 23:14:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14601 states to 10651 states and 14601 transitions. [2021-11-22 23:14:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 10651 states and 14601 transitions. [2021-11-22 23:14:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2021-11-22 23:14:01,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:01,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 379 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-22 23:14:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14706 states to 10731 states and 14706 transitions. [2021-11-22 23:14:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 10731 states and 14706 transitions. [2021-11-22 23:14:11,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1174 [2021-11-22 23:14:11,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:11,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 279 proven. 116 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:14:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14707 states to 10733 states and 14707 transitions. [2021-11-22 23:14:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 10733 states and 14707 transitions. [2021-11-22 23:14:12,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1174 [2021-11-22 23:14:12,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:12,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 287 proven. 123 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.