./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:36:45,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:36:45,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:36:45,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:36:45,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:36:45,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:36:45,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:36:45,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:36:45,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:36:45,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:36:45,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:36:45,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:36:45,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:36:45,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:36:45,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:36:45,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:36:45,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:36:46,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:36:46,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:36:46,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:36:46,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:36:46,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:36:46,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:36:46,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:36:46,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:36:46,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:36:46,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:36:46,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:36:46,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:36:46,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:36:46,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:36:46,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:36:46,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:36:46,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:36:46,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:36:46,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:36:46,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:36:46,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:36:46,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:36:46,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:36:46,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:36:46,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 06:36:46,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:36:46,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:36:46,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:36:46,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:36:46,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:36:46,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:36:46,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:36:46,063 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:36:46,064 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:36:46,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:36:46,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:36:46,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:36:46,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:36:46,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:36:46,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:36:46,066 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:36:46,066 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:36:46,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:36:46,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:36:46,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:36:46,067 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:36:46,067 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:36:46,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:36:46,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:36:46,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:36:46,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:36:46,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:36:46,069 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:36:46,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:36:46,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:36:46,069 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_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b [2021-11-21 06:36:46,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:36:46,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:36:46,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:36:46,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:36:46,341 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:36:46,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2021-11-21 06:36:46,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/data/5ab0b46c3/eb40d03e5dd54c5a8e5a76f1f1c043be/FLAG6a47511d2 [2021-11-21 06:36:46,916 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:36:46,916 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2021-11-21 06:36:46,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/data/5ab0b46c3/eb40d03e5dd54c5a8e5a76f1f1c043be/FLAG6a47511d2 [2021-11-21 06:36:47,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/data/5ab0b46c3/eb40d03e5dd54c5a8e5a76f1f1c043be [2021-11-21 06:36:47,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:36:47,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:36:47,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:36:47,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:36:47,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:36:47,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c82aba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47, skipping insertion in model container [2021-11-21 06:36:47,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:36:47,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:36:47,514 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_da5f0688-1c16-4af0-ac15-ee8232fb8062/sv-benchmarks/c/loop-zilu/benchmark03_linear.i[868,881] [2021-11-21 06:36:47,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:36:47,542 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:36:47,563 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_da5f0688-1c16-4af0-ac15-ee8232fb8062/sv-benchmarks/c/loop-zilu/benchmark03_linear.i[868,881] [2021-11-21 06:36:47,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:36:47,596 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:36:47,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47 WrapperNode [2021-11-21 06:36:47,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:36:47,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:36:47,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:36:47,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:36:47,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,644 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2021-11-21 06:36:47,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:36:47,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:36:47,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:36:47,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:36:47,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:36:47,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:36:47,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:36:47,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:36:47,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:47" (1/1) ... [2021-11-21 06:36:47,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:36:47,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:36:47,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:36:47,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5f0688-1c16-4af0-ac15-ee8232fb8062/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:36:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:36:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:36:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:36:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:36:47,854 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:36:47,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:36:48,004 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:36:48,041 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:36:48,041 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:36:48,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:48 BoogieIcfgContainer [2021-11-21 06:36:48,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:36:48,045 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:36:48,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:36:48,069 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:36:48,069 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:48" (1/1) ... [2021-11-21 06:36:48,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:36:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:48,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2021-11-21 06:36:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-11-21 06:36:48,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:36:48,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:48,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:48,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-11-21 06:36:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-11-21 06:36:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:36:48,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:48,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:48,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2021-11-21 06:36:48,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-21 06:36:48,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:36:48,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:48,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:48,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:48,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:48,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-21 06:36:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-21 06:36:48,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:36:48,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:48,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:48,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:48,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:48,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-21 06:36:48,810 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-21 06:36:48,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:36:48,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:48,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2021-11-21 06:36:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2021-11-21 06:36:49,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:36:49,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:49,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2021-11-21 06:36:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2021-11-21 06:36:49,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:36:49,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:49,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2021-11-21 06:36:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2021-11-21 06:36:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:36:50,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:50,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:51,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2021-11-21 06:36:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2021-11-21 06:36:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:36:52,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:52,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2021-11-21 06:36:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2021-11-21 06:36:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:36:52,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:52,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:52,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 115 transitions. [2021-11-21 06:36:52,491 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 115 transitions. [2021-11-21 06:36:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:36:52,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:52,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:52,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2021-11-21 06:36:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2021-11-21 06:36:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:36:53,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:53,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 89 states and 157 transitions. [2021-11-21 06:36:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2021-11-21 06:36:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:36:55,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:55,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 91 states and 159 transitions. [2021-11-21 06:36:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 159 transitions. [2021-11-21 06:36:55,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:36:55,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:55,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:57,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 100 states and 180 transitions. [2021-11-21 06:36:57,517 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 180 transitions. [2021-11-21 06:36:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:36:57,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:57,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 102 states and 182 transitions. [2021-11-21 06:36:57,747 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 182 transitions. [2021-11-21 06:36:57,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:36:57,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:57,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 112 states and 208 transitions. [2021-11-21 06:36:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 208 transitions. [2021-11-21 06:36:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:36:59,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:59,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:00,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 114 states and 210 transitions. [2021-11-21 06:37:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2021-11-21 06:37:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:37:00,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:00,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:02,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:02,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 124 states and 238 transitions. [2021-11-21 06:37:02,700 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 238 transitions. [2021-11-21 06:37:02,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:37:02,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:02,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:02,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:02,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:02,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 126 states and 240 transitions. [2021-11-21 06:37:02,968 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 240 transitions. [2021-11-21 06:37:02,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:37:02,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:02,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 134 states and 258 transitions. [2021-11-21 06:37:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 258 transitions. [2021-11-21 06:37:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:37:05,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:05,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:05,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 136 states and 260 transitions. [2021-11-21 06:37:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 260 transitions. [2021-11-21 06:37:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:37:05,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:05,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:08,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 144 states and 279 transitions. [2021-11-21 06:37:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 279 transitions. [2021-11-21 06:37:08,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:37:08,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:08,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 281 transitions. [2021-11-21 06:37:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 281 transitions. [2021-11-21 06:37:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:37:09,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:09,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 152 states and 295 transitions. [2021-11-21 06:37:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 295 transitions. [2021-11-21 06:37:11,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:37:11,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:11,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:14,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:14,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 161 states and 316 transitions. [2021-11-21 06:37:14,344 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 316 transitions. [2021-11-21 06:37:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:37:14,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:14,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:18,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 171 states and 340 transitions. [2021-11-21 06:37:18,651 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 340 transitions. [2021-11-21 06:37:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:37:18,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:18,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 181 states and 373 transitions. [2021-11-21 06:37:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 373 transitions. [2021-11-21 06:37:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:37:22,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:22,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:24,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 184 states and 382 transitions. [2021-11-21 06:37:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 382 transitions. [2021-11-21 06:37:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:37:24,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:24,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:27,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 191 states and 398 transitions. [2021-11-21 06:37:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 398 transitions. [2021-11-21 06:37:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:37:27,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:27,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 199 states and 417 transitions. [2021-11-21 06:37:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 417 transitions. [2021-11-21 06:37:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:37:31,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:31,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:35,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 209 states and 452 transitions. [2021-11-21 06:37:35,749 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 452 transitions. [2021-11-21 06:37:35,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:37:35,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:35,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:35,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 216 states and 469 transitions. [2021-11-21 06:37:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 469 transitions. [2021-11-21 06:37:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:37:39,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:39,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:39,212 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 226 states and 489 transitions. [2021-11-21 06:37:43,932 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 489 transitions. [2021-11-21 06:37:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:37:43,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:43,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:50,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 236 states and 529 transitions. [2021-11-21 06:37:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 529 transitions. [2021-11-21 06:37:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:37:50,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:50,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:55,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:55,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 244 states and 546 transitions. [2021-11-21 06:37:55,625 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 546 transitions. [2021-11-21 06:37:55,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:37:55,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:55,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:56,738 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 253 states and 567 transitions. [2021-11-21 06:38:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 567 transitions. [2021-11-21 06:38:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:38:02,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:02,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 261 states and 582 transitions. [2021-11-21 06:38:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 582 transitions. [2021-11-21 06:38:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:38:06,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:06,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 271 states and 614 transitions. [2021-11-21 06:38:14,840 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 614 transitions. [2021-11-21 06:38:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:38:14,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:14,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:14,988 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 278 states and 627 transitions. [2021-11-21 06:38:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 627 transitions. [2021-11-21 06:38:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:38:19,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:19,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 288 states and 647 transitions. [2021-11-21 06:38:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 647 transitions. [2021-11-21 06:38:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:38:27,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:27,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:31,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:31,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 294 states and 655 transitions. [2021-11-21 06:38:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 655 transitions. [2021-11-21 06:38:31,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:38:31,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:31,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 301 states and 664 transitions. [2021-11-21 06:38:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 664 transitions. [2021-11-21 06:38:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:38:35,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:35,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:38:41,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 309 states and 687 transitions. [2021-11-21 06:38:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 687 transitions. [2021-11-21 06:38:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 06:38:41,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:41,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:42,671 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 318 states and 718 transitions. [2021-11-21 06:38:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 718 transitions. [2021-11-21 06:38:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 06:38:49,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:49,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 328 states and 763 transitions. [2021-11-21 06:38:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 763 transitions. [2021-11-21 06:38:57,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:38:57,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:57,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:01,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 332 states and 767 transitions. [2021-11-21 06:39:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 767 transitions. [2021-11-21 06:39:01,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:39:01,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:01,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:06,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 338 states and 782 transitions. [2021-11-21 06:39:06,581 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 782 transitions. [2021-11-21 06:39:06,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:39:06,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:06,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:07,106 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:14,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 348 states and 829 transitions. [2021-11-21 06:39:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 829 transitions. [2021-11-21 06:39:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:39:14,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:14,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:17,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 351 states and 843 transitions. [2021-11-21 06:39:17,437 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 843 transitions. [2021-11-21 06:39:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:39:17,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:17,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:24,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:24,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 359 states and 864 transitions. [2021-11-21 06:39:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 864 transitions. [2021-11-21 06:39:24,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 06:39:24,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:24,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:39:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 367 states and 888 transitions. [2021-11-21 06:39:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 888 transitions. [2021-11-21 06:39:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 06:39:32,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:32,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:46,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 377 states and 943 transitions. [2021-11-21 06:39:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 943 transitions. [2021-11-21 06:39:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:39:46,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:46,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 387 states and 968 transitions. [2021-11-21 06:40:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 968 transitions. [2021-11-21 06:40:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:40:00,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:00,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 397 states and 992 transitions. [2021-11-21 06:40:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 992 transitions. [2021-11-21 06:40:09,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:40:09,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:09,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 407 states and 1032 transitions. [2021-11-21 06:40:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1032 transitions. [2021-11-21 06:40:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:40:25,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:25,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 416 states and 1052 transitions. [2021-11-21 06:40:34,604 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 1052 transitions. [2021-11-21 06:40:34,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:40:34,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:34,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 426 states and 1074 transitions. [2021-11-21 06:40:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1074 transitions. [2021-11-21 06:40:48,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:40:48,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:48,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 434 states and 1090 transitions. [2021-11-21 06:40:56,920 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1090 transitions. [2021-11-21 06:40:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:40:56,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:56,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 442 states and 1106 transitions. [2021-11-21 06:41:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1106 transitions. [2021-11-21 06:41:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:41:05,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:05,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:05,320 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 06:41:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 450 states and 1132 transitions. [2021-11-21 06:41:14,125 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1132 transitions. [2021-11-21 06:41:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 06:41:14,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:14,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 456 states and 1141 transitions. [2021-11-21 06:41:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1141 transitions. [2021-11-21 06:41:20,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 06:41:20,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:20,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 466 states and 1196 transitions. [2021-11-21 06:41:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1196 transitions. [2021-11-21 06:41:32,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:41:32,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:32,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 474 states and 1207 transitions. [2021-11-21 06:41:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1207 transitions. [2021-11-21 06:41:41,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:41:41,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:41,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:48,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 480 states and 1224 transitions. [2021-11-21 06:41:48,639 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1224 transitions. [2021-11-21 06:41:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:41:48,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:48,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:42:05,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:05,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 489 states and 1265 transitions. [2021-11-21 06:42:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1265 transitions. [2021-11-21 06:42:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:42:05,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:05,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:42:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 499 states and 1326 transitions. [2021-11-21 06:42:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1326 transitions. [2021-11-21 06:42:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:42:18,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:18,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:42:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:33,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 511 states and 1339 transitions. [2021-11-21 06:42:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1339 transitions. [2021-11-21 06:42:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:42:33,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:33,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:42:44,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 519 states and 1363 transitions. [2021-11-21 06:42:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1363 transitions. [2021-11-21 06:42:44,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:42:44,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:44,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:43:07,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 529 states and 1433 transitions. [2021-11-21 06:43:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1433 transitions. [2021-11-21 06:43:07,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:43:07,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:07,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:08,753 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:43:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:12,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 532 states and 1452 transitions. [2021-11-21 06:43:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1452 transitions. [2021-11-21 06:43:12,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:43:12,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:12,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:43:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 542 states and 1480 transitions. [2021-11-21 06:43:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1480 transitions. [2021-11-21 06:43:36,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:43:36,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:36,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:36,136 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 06:43:48,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 550 states and 1508 transitions. [2021-11-21 06:43:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1508 transitions. [2021-11-21 06:43:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:43:48,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:48,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:44:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:44:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 560 states and 1556 transitions. [2021-11-21 06:44:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1556 transitions. [2021-11-21 06:44:13,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:44:13,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:44:13,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:44:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:44:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:44:37,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:44:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 570 states and 1580 transitions. [2021-11-21 06:44:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1580 transitions. [2021-11-21 06:44:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:44:37,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:44:37,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:44:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:44:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:44:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:44:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 580 states and 1607 transitions. [2021-11-21 06:44:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1607 transitions. [2021-11-21 06:44:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:44:52,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:44:52,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:44:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:44:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 72 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:45:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 589 states and 1629 transitions. [2021-11-21 06:45:05,786 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1629 transitions. [2021-11-21 06:45:05,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:45:05,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:05,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:45:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-21 06:45:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 597 states and 1658 transitions. [2021-11-21 06:45:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1658 transitions. [2021-11-21 06:45:17,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 06:45:17,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:17,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:45:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:45:29,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 605 states and 1676 transitions. [2021-11-21 06:45:29,106 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1676 transitions. [2021-11-21 06:45:29,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 06:45:29,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:29,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:45:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:45:45,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 615 states and 1743 transitions. [2021-11-21 06:45:45,437 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1743 transitions. [2021-11-21 06:45:45,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:45:45,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:45,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:45:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 72 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:45:58,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 623 states and 1761 transitions. [2021-11-21 06:45:58,509 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1761 transitions. [2021-11-21 06:45:58,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:45:58,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:58,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:46:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 100 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:46:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:46:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 629 states and 1780 transitions. [2021-11-21 06:46:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1780 transitions. [2021-11-21 06:46:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 06:46:09,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:46:09,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:46:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:46:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:46:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:46:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 635 states and 1790 transitions. [2021-11-21 06:46:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1790 transitions. [2021-11-21 06:46:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 06:46:18,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:46:18,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:46:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:46:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:46:35,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:46:35,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 645 states and 1863 transitions. [2021-11-21 06:46:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1863 transitions. [2021-11-21 06:46:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:46:35,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:46:35,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:46:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:46:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:46:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:46:47,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 653 states and 1875 transitions. [2021-11-21 06:46:47,880 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1875 transitions. [2021-11-21 06:46:47,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:46:47,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:46:47,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:46:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:46:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 100 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:47:02,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:47:02,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 661 states and 1901 transitions. [2021-11-21 06:47:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1901 transitions. [2021-11-21 06:47:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 06:47:02,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:47:02,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:47:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:47:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:47:32,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:47:32,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 670 states and 1953 transitions. [2021-11-21 06:47:32,900 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1953 transitions. [2021-11-21 06:47:32,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 06:47:32,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:47:32,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:47:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:47:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.