./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Addition03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Addition03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:29:12,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:29:12,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:29:12,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:29:12,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:29:12,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:29:12,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:29:12,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:29:12,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:29:12,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:29:12,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:29:12,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:29:12,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:29:12,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:29:12,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:29:12,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:29:12,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:29:12,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:29:12,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:29:12,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:29:12,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:29:12,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:29:12,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:29:12,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:29:12,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:29:12,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:29:12,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:29:12,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:29:12,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:29:12,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:29:12,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:29:12,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:29:12,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:29:12,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:29:12,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:29:12,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:29:12,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:29:12,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:29:12,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:29:12,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:29:12,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:29:12,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:29:12,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:29:12,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:29:12,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:29:12,910 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:29:12,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:29:12,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:29:12,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:29:12,911 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:29:12,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:29:12,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:29:12,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:29:12,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:29:12,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:29:12,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:29:12,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:29:12,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:29:12,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:29:12,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:29:12,913 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:29:12,913 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:29:12,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:29:12,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:29:12,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:29:12,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:29:12,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:29:12,914 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:29:12,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:29:12,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:29:12,914 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_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2021-11-23 01:29:13,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:29:13,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:29:13,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:29:13,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:29:13,243 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:29:13,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/recursive/Addition03-1.c [2021-11-23 01:29:13,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/data/439452326/be385e0a1d2a4990b80d2dfb7876e0ed/FLAG6b48beec7 [2021-11-23 01:29:13,787 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:29:13,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/sv-benchmarks/c/recursive/Addition03-1.c [2021-11-23 01:29:13,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/data/439452326/be385e0a1d2a4990b80d2dfb7876e0ed/FLAG6b48beec7 [2021-11-23 01:29:14,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/data/439452326/be385e0a1d2a4990b80d2dfb7876e0ed [2021-11-23 01:29:14,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:29:14,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:29:14,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:29:14,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:29:14,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:29:14,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415d06f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14, skipping insertion in model container [2021-11-23 01:29:14,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:29:14,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:29:14,369 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_904b50f6-fe60-4ac8-91ad-a6254a17ef21/sv-benchmarks/c/recursive/Addition03-1.c[840,853] [2021-11-23 01:29:14,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:29:14,381 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:29:14,395 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_904b50f6-fe60-4ac8-91ad-a6254a17ef21/sv-benchmarks/c/recursive/Addition03-1.c[840,853] [2021-11-23 01:29:14,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:29:14,410 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:29:14,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14 WrapperNode [2021-11-23 01:29:14,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:29:14,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:29:14,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:29:14,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:29:14,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,453 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2021-11-23 01:29:14,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:29:14,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:29:14,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:29:14,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:29:14,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:29:14,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:29:14,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:29:14,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:29:14,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:29:14,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:29:14,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:29:14,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904b50f6-fe60-4ac8-91ad-a6254a17ef21/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:29:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:29:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:29:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:29:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:29:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2021-11-23 01:29:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2021-11-23 01:29:14,656 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:29:14,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:29:14,787 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:29:14,799 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:29:14,800 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:29:14,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:14 BoogieIcfgContainer [2021-11-23 01:29:14,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:29:14,804 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:29:14,804 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:29:14,814 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:29:14,815 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:14" (1/1) ... [2021-11-23 01:29:14,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:29:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-23 01:29:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-23 01:29:14,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:29:14,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:14,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:15,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-23 01:29:15,146 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-23 01:29:15,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:29:15,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:15,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2021-11-23 01:29:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2021-11-23 01:29:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:29:15,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:15,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:15,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:15,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:15,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 39 transitions. [2021-11-23 01:29:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-11-23 01:29:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:29:15,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:15,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:29:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:15,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 37 transitions. [2021-11-23 01:29:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-23 01:29:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:29:15,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:15,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:29:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 47 transitions. [2021-11-23 01:29:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-11-23 01:29:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:29:16,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:16,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:16,349 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:29:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 37 states and 58 transitions. [2021-11-23 01:29:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2021-11-23 01:29:16,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:29:16,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:16,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:29:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 42 states and 70 transitions. [2021-11-23 01:29:16,989 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2021-11-23 01:29:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:29:16,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:16,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-23 01:29:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 47 states and 83 transitions. [2021-11-23 01:29:17,430 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2021-11-23 01:29:17,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:29:17,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:17,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:29:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 52 states and 97 transitions. [2021-11-23 01:29:17,869 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2021-11-23 01:29:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:29:17,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:17,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:18,022 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-23 01:29:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 57 states and 112 transitions. [2021-11-23 01:29:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2021-11-23 01:29:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:29:18,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:18,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-23 01:29:18,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:18,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 62 states and 128 transitions. [2021-11-23 01:29:18,752 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 128 transitions. [2021-11-23 01:29:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:29:18,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:18,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-23 01:29:19,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 67 states and 145 transitions. [2021-11-23 01:29:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2021-11-23 01:29:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:29:19,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:19,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:19,485 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-23 01:29:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 72 states and 163 transitions. [2021-11-23 01:29:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2021-11-23 01:29:19,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:29:19,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:19,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:20,062 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2021-11-23 01:29:20,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 77 states and 182 transitions. [2021-11-23 01:29:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 182 transitions. [2021-11-23 01:29:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:29:20,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:20,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-11-23 01:29:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 82 states and 202 transitions. [2021-11-23 01:29:20,981 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2021-11-23 01:29:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:29:20,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:20,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-23 01:29:21,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:21,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 87 states and 223 transitions. [2021-11-23 01:29:21,582 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 223 transitions. [2021-11-23 01:29:21,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 01:29:21,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:21,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-11-23 01:29:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 92 states and 245 transitions. [2021-11-23 01:29:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 245 transitions. [2021-11-23 01:29:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 01:29:22,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:22,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2021-11-23 01:29:22,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 97 states and 268 transitions. [2021-11-23 01:29:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 268 transitions. [2021-11-23 01:29:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 01:29:22,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:22,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2021-11-23 01:29:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:23,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 102 states and 292 transitions. [2021-11-23 01:29:23,597 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 292 transitions. [2021-11-23 01:29:23,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 01:29:23,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:23,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2021-11-23 01:29:24,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 107 states and 317 transitions. [2021-11-23 01:29:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 317 transitions. [2021-11-23 01:29:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 01:29:24,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:24,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2021-11-23 01:29:25,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 112 states and 343 transitions. [2021-11-23 01:29:25,059 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 343 transitions. [2021-11-23 01:29:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 01:29:25,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:25,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2021-11-23 01:29:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 117 states and 370 transitions. [2021-11-23 01:29:25,886 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 370 transitions. [2021-11-23 01:29:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 01:29:25,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:25,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2021-11-23 01:29:26,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:26,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 122 states and 398 transitions. [2021-11-23 01:29:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 398 transitions. [2021-11-23 01:29:26,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:29:26,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:26,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:27,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2021-11-23 01:29:27,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:27,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 127 states and 427 transitions. [2021-11-23 01:29:27,683 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 427 transitions. [2021-11-23 01:29:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-23 01:29:27,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:27,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2021-11-23 01:29:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 132 states and 457 transitions. [2021-11-23 01:29:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 457 transitions. [2021-11-23 01:29:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-23 01:29:28,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:28,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2021-11-23 01:29:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 137 states and 488 transitions. [2021-11-23 01:29:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 488 transitions. [2021-11-23 01:29:29,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 01:29:29,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:29,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2021-11-23 01:29:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 142 states and 520 transitions. [2021-11-23 01:29:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 520 transitions. [2021-11-23 01:29:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-23 01:29:30,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:30,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:30,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2021-11-23 01:29:31,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 147 states and 553 transitions. [2021-11-23 01:29:31,646 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 553 transitions. [2021-11-23 01:29:31,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-23 01:29:31,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:31,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2379 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2021-11-23 01:29:32,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 152 states and 587 transitions. [2021-11-23 01:29:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 587 transitions. [2021-11-23 01:29:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-23 01:29:32,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:32,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2021-11-23 01:29:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:33,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 157 states and 622 transitions. [2021-11-23 01:29:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 622 transitions. [2021-11-23 01:29:33,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:29:33,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:33,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2021-11-23 01:29:34,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 162 states and 658 transitions. [2021-11-23 01:29:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 658 transitions. [2021-11-23 01:29:34,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-23 01:29:34,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:34,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 1682 trivial. 0 not checked. [2021-11-23 01:29:36,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 167 states and 695 transitions. [2021-11-23 01:29:36,022 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 695 transitions. [2021-11-23 01:29:36,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-23 01:29:36,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:36,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2021-11-23 01:29:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 172 states and 733 transitions. [2021-11-23 01:29:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 733 transitions. [2021-11-23 01:29:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-23 01:29:37,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:37,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3379 backedges. 0 proven. 1457 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2021-11-23 01:29:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 177 states and 772 transitions. [2021-11-23 01:29:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 772 transitions. [2021-11-23 01:29:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-23 01:29:38,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:38,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:38,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 0 proven. 1552 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2021-11-23 01:29:39,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 182 states and 812 transitions. [2021-11-23 01:29:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 812 transitions. [2021-11-23 01:29:39,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-23 01:29:39,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:39,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 1650 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2021-11-23 01:29:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 187 states and 853 transitions. [2021-11-23 01:29:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 853 transitions. [2021-11-23 01:29:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-23 01:29:40,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:40,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4063 backedges. 0 proven. 1751 refuted. 0 times theorem prover too weak. 2312 trivial. 0 not checked. [2021-11-23 01:29:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 192 states and 895 transitions. [2021-11-23 01:29:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 895 transitions. [2021-11-23 01:29:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-23 01:29:42,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:42,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4305 backedges. 0 proven. 1855 refuted. 0 times theorem prover too weak. 2450 trivial. 0 not checked. [2021-11-23 01:29:43,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 197 states and 938 transitions. [2021-11-23 01:29:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 938 transitions. [2021-11-23 01:29:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-23 01:29:43,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:43,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4554 backedges. 0 proven. 1962 refuted. 0 times theorem prover too weak. 2592 trivial. 0 not checked. [2021-11-23 01:29:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 202 states and 982 transitions. [2021-11-23 01:29:44,790 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 982 transitions. [2021-11-23 01:29:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-23 01:29:44,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:44,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4810 backedges. 0 proven. 2072 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2021-11-23 01:29:46,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 207 states and 1027 transitions. [2021-11-23 01:29:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 1027 transitions. [2021-11-23 01:29:46,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-23 01:29:46,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:46,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5073 backedges. 0 proven. 2185 refuted. 0 times theorem prover too weak. 2888 trivial. 0 not checked. [2021-11-23 01:29:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 212 states and 1073 transitions. [2021-11-23 01:29:47,722 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 1073 transitions. [2021-11-23 01:29:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-23 01:29:47,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:47,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5343 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 3042 trivial. 0 not checked. [2021-11-23 01:29:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 217 states and 1120 transitions. [2021-11-23 01:29:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 1120 transitions. [2021-11-23 01:29:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-23 01:29:49,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:49,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5620 backedges. 0 proven. 2420 refuted. 0 times theorem prover too weak. 3200 trivial. 0 not checked. [2021-11-23 01:29:50,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 222 states and 1168 transitions. [2021-11-23 01:29:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 1168 transitions. [2021-11-23 01:29:50,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-23 01:29:50,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:50,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5904 backedges. 0 proven. 2542 refuted. 0 times theorem prover too weak. 3362 trivial. 0 not checked. [2021-11-23 01:29:52,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 227 states and 1217 transitions. [2021-11-23 01:29:52,091 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 1217 transitions. [2021-11-23 01:29:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-23 01:29:52,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:52,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:52,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6195 backedges. 0 proven. 2667 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked. [2021-11-23 01:29:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 232 states and 1267 transitions. [2021-11-23 01:29:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1267 transitions. [2021-11-23 01:29:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-23 01:29:53,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:53,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6493 backedges. 0 proven. 2795 refuted. 0 times theorem prover too weak. 3698 trivial. 0 not checked. [2021-11-23 01:29:55,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:55,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 237 states and 1318 transitions. [2021-11-23 01:29:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 1318 transitions. [2021-11-23 01:29:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-23 01:29:55,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:55,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6798 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 3872 trivial. 0 not checked. [2021-11-23 01:29:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 242 states and 1370 transitions. [2021-11-23 01:29:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 1370 transitions. [2021-11-23 01:29:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-23 01:29:56,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:56,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7110 backedges. 0 proven. 3060 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2021-11-23 01:29:58,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 247 states and 1423 transitions. [2021-11-23 01:29:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1423 transitions. [2021-11-23 01:29:58,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-23 01:29:58,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:58,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 3197 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2021-11-23 01:29:59,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 252 states and 1477 transitions. [2021-11-23 01:29:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1477 transitions. [2021-11-23 01:29:59,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-23 01:29:59,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:59,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 0 proven. 3337 refuted. 0 times theorem prover too weak. 4418 trivial. 0 not checked. [2021-11-23 01:30:01,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 257 states and 1532 transitions. [2021-11-23 01:30:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 1532 transitions. [2021-11-23 01:30:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-23 01:30:01,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:01,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8088 backedges. 0 proven. 3480 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2021-11-23 01:30:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:03,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 262 states and 1588 transitions. [2021-11-23 01:30:03,086 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 1588 transitions. [2021-11-23 01:30:03,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-23 01:30:03,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:03,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:03,619 INFO L134 CoverageAnalysis]: Checked inductivity of 8428 backedges. 0 proven. 3626 refuted. 0 times theorem prover too weak. 4802 trivial. 0 not checked. [2021-11-23 01:30:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 267 states and 1645 transitions. [2021-11-23 01:30:04,693 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 1645 transitions. [2021-11-23 01:30:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-23 01:30:04,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:04,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8775 backedges. 0 proven. 3775 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2021-11-23 01:30:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:06,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 272 states and 1703 transitions. [2021-11-23 01:30:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1703 transitions. [2021-11-23 01:30:06,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-11-23 01:30:06,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:06,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 9129 backedges. 0 proven. 3927 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2021-11-23 01:30:08,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:08,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 277 states and 1762 transitions. [2021-11-23 01:30:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1762 transitions. [2021-11-23 01:30:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-23 01:30:08,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:08,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 9490 backedges. 0 proven. 4082 refuted. 0 times theorem prover too weak. 5408 trivial. 0 not checked. [2021-11-23 01:30:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:09,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 282 states and 1822 transitions. [2021-11-23 01:30:09,877 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 1822 transitions. [2021-11-23 01:30:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-23 01:30:09,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:09,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 9858 backedges. 0 proven. 4240 refuted. 0 times theorem prover too weak. 5618 trivial. 0 not checked. [2021-11-23 01:30:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:11,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 287 states and 1883 transitions. [2021-11-23 01:30:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1883 transitions. [2021-11-23 01:30:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-11-23 01:30:11,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:11,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 10233 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 5832 trivial. 0 not checked. [2021-11-23 01:30:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 292 states and 1945 transitions. [2021-11-23 01:30:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 1945 transitions. [2021-11-23 01:30:13,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-11-23 01:30:13,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:13,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10615 backedges. 0 proven. 4565 refuted. 0 times theorem prover too weak. 6050 trivial. 0 not checked. [2021-11-23 01:30:15,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:15,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 297 states and 2008 transitions. [2021-11-23 01:30:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 2008 transitions. [2021-11-23 01:30:15,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-11-23 01:30:15,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:15,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 11004 backedges. 0 proven. 4732 refuted. 0 times theorem prover too weak. 6272 trivial. 0 not checked. [2021-11-23 01:30:17,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:17,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3786 states to 302 states and 2072 transitions. [2021-11-23 01:30:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 2072 transitions. [2021-11-23 01:30:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-11-23 01:30:17,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:17,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11400 backedges. 0 proven. 4902 refuted. 0 times theorem prover too weak. 6498 trivial. 0 not checked. [2021-11-23 01:30:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 307 states and 2137 transitions. [2021-11-23 01:30:19,180 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 2137 transitions. [2021-11-23 01:30:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2021-11-23 01:30:19,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:19,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 11803 backedges. 0 proven. 5075 refuted. 0 times theorem prover too weak. 6728 trivial. 0 not checked. [2021-11-23 01:30:21,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:21,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4036 states to 312 states and 2203 transitions. [2021-11-23 01:30:21,119 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 2203 transitions. [2021-11-23 01:30:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2021-11-23 01:30:21,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:21,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12213 backedges. 0 proven. 5251 refuted. 0 times theorem prover too weak. 6962 trivial. 0 not checked. [2021-11-23 01:30:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4164 states to 317 states and 2270 transitions. [2021-11-23 01:30:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 2270 transitions. [2021-11-23 01:30:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-11-23 01:30:23,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:23,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:23,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12630 backedges. 0 proven. 5430 refuted. 0 times theorem prover too weak. 7200 trivial. 0 not checked. [2021-11-23 01:30:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4294 states to 322 states and 2338 transitions. [2021-11-23 01:30:25,106 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 2338 transitions. [2021-11-23 01:30:25,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2021-11-23 01:30:25,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:25,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 13054 backedges. 0 proven. 5612 refuted. 0 times theorem prover too weak. 7442 trivial. 0 not checked. [2021-11-23 01:30:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:27,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4426 states to 327 states and 2407 transitions. [2021-11-23 01:30:27,082 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 2407 transitions. [2021-11-23 01:30:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-11-23 01:30:27,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:27,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 13485 backedges. 0 proven. 5797 refuted. 0 times theorem prover too weak. 7688 trivial. 0 not checked. [2021-11-23 01:30:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4560 states to 332 states and 2477 transitions. [2021-11-23 01:30:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 2477 transitions. [2021-11-23 01:30:29,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-11-23 01:30:29,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 13923 backedges. 0 proven. 5985 refuted. 0 times theorem prover too weak. 7938 trivial. 0 not checked. [2021-11-23 01:30:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 337 states and 2548 transitions. [2021-11-23 01:30:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 2548 transitions. [2021-11-23 01:30:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-11-23 01:30:31,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:31,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:32,130 INFO L134 CoverageAnalysis]: Checked inductivity of 14368 backedges. 0 proven. 6176 refuted. 0 times theorem prover too weak. 8192 trivial. 0 not checked. [2021-11-23 01:30:33,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4834 states to 342 states and 2620 transitions. [2021-11-23 01:30:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 2620 transitions. [2021-11-23 01:30:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-11-23 01:30:33,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:33,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14820 backedges. 0 proven. 6370 refuted. 0 times theorem prover too weak. 8450 trivial. 0 not checked. [2021-11-23 01:30:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4974 states to 347 states and 2693 transitions. [2021-11-23 01:30:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 2693 transitions. [2021-11-23 01:30:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2021-11-23 01:30:35,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:35,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 15279 backedges. 0 proven. 6567 refuted. 0 times theorem prover too weak. 8712 trivial. 0 not checked. [2021-11-23 01:30:37,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5116 states to 352 states and 2767 transitions. [2021-11-23 01:30:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 2767 transitions. [2021-11-23 01:30:37,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2021-11-23 01:30:37,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:37,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:38,536 INFO L134 CoverageAnalysis]: Checked inductivity of 15745 backedges. 0 proven. 6767 refuted. 0 times theorem prover too weak. 8978 trivial. 0 not checked. [2021-11-23 01:30:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5260 states to 357 states and 2842 transitions. [2021-11-23 01:30:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 2842 transitions. [2021-11-23 01:30:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-11-23 01:30:40,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:40,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 16218 backedges. 0 proven. 6970 refuted. 0 times theorem prover too weak. 9248 trivial. 0 not checked. [2021-11-23 01:30:42,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:42,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5406 states to 362 states and 2918 transitions. [2021-11-23 01:30:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 2918 transitions. [2021-11-23 01:30:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2021-11-23 01:30:42,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:42,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 16698 backedges. 0 proven. 7176 refuted. 0 times theorem prover too weak. 9522 trivial. 0 not checked. [2021-11-23 01:30:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:44,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5554 states to 367 states and 2995 transitions. [2021-11-23 01:30:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 2995 transitions. [2021-11-23 01:30:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-11-23 01:30:44,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:44,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 17185 backedges. 0 proven. 7385 refuted. 0 times theorem prover too weak. 9800 trivial. 0 not checked. [2021-11-23 01:30:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5704 states to 372 states and 3073 transitions. [2021-11-23 01:30:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 3073 transitions. [2021-11-23 01:30:46,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-11-23 01:30:46,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:46,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 17679 backedges. 0 proven. 7597 refuted. 0 times theorem prover too weak. 10082 trivial. 0 not checked. [2021-11-23 01:30:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:49,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5856 states to 377 states and 3152 transitions. [2021-11-23 01:30:49,242 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 3152 transitions. [2021-11-23 01:30:49,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-11-23 01:30:49,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:49,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 18180 backedges. 0 proven. 7812 refuted. 0 times theorem prover too weak. 10368 trivial. 0 not checked. [2021-11-23 01:30:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6010 states to 382 states and 3232 transitions. [2021-11-23 01:30:51,566 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 3232 transitions. [2021-11-23 01:30:51,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2021-11-23 01:30:51,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:51,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 18688 backedges. 0 proven. 8030 refuted. 0 times theorem prover too weak. 10658 trivial. 0 not checked. [2021-11-23 01:30:53,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6166 states to 387 states and 3313 transitions. [2021-11-23 01:30:53,954 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 3313 transitions. [2021-11-23 01:30:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-11-23 01:30:53,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:53,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:54,761 INFO L134 CoverageAnalysis]: Checked inductivity of 19203 backedges. 0 proven. 8251 refuted. 0 times theorem prover too weak. 10952 trivial. 0 not checked. [2021-11-23 01:30:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6324 states to 392 states and 3395 transitions. [2021-11-23 01:30:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 3395 transitions. [2021-11-23 01:30:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2021-11-23 01:30:56,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:56,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 19725 backedges. 0 proven. 8475 refuted. 0 times theorem prover too weak. 11250 trivial. 0 not checked. [2021-11-23 01:30:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:58,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6484 states to 397 states and 3478 transitions. [2021-11-23 01:30:58,977 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 3478 transitions. [2021-11-23 01:30:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2021-11-23 01:30:58,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:58,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:59,701 INFO L134 CoverageAnalysis]: Checked inductivity of 20254 backedges. 0 proven. 8702 refuted. 0 times theorem prover too weak. 11552 trivial. 0 not checked. [2021-11-23 01:31:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6646 states to 402 states and 3562 transitions. [2021-11-23 01:31:01,437 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 3562 transitions. [2021-11-23 01:31:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-11-23 01:31:01,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:01,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 20790 backedges. 0 proven. 8932 refuted. 0 times theorem prover too weak. 11858 trivial. 0 not checked. [2021-11-23 01:31:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:03,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6810 states to 407 states and 3647 transitions. [2021-11-23 01:31:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 3647 transitions. [2021-11-23 01:31:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2021-11-23 01:31:03,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:03,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 21333 backedges. 0 proven. 9165 refuted. 0 times theorem prover too weak. 12168 trivial. 0 not checked. [2021-11-23 01:31:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6976 states to 412 states and 3733 transitions. [2021-11-23 01:31:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 3733 transitions. [2021-11-23 01:31:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2021-11-23 01:31:06,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:06,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21883 backedges. 0 proven. 9401 refuted. 0 times theorem prover too weak. 12482 trivial. 0 not checked. [2021-11-23 01:31:09,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7144 states to 417 states and 3820 transitions. [2021-11-23 01:31:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 3820 transitions. [2021-11-23 01:31:09,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2021-11-23 01:31:09,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:09,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 22440 backedges. 0 proven. 9640 refuted. 0 times theorem prover too weak. 12800 trivial. 0 not checked. [2021-11-23 01:31:11,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7314 states to 422 states and 3908 transitions. [2021-11-23 01:31:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 3908 transitions. [2021-11-23 01:31:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2021-11-23 01:31:11,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:11,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 23004 backedges. 0 proven. 9882 refuted. 0 times theorem prover too weak. 13122 trivial. 0 not checked. [2021-11-23 01:31:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:14,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7486 states to 427 states and 3997 transitions. [2021-11-23 01:31:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 3997 transitions. [2021-11-23 01:31:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2021-11-23 01:31:14,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:14,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:15,520 INFO L134 CoverageAnalysis]: Checked inductivity of 23575 backedges. 0 proven. 10127 refuted. 0 times theorem prover too weak. 13448 trivial. 0 not checked. [2021-11-23 01:31:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7660 states to 432 states and 4087 transitions. [2021-11-23 01:31:17,389 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 4087 transitions. [2021-11-23 01:31:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-11-23 01:31:17,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:17,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 24153 backedges. 0 proven. 10375 refuted. 0 times theorem prover too weak. 13778 trivial. 0 not checked. [2021-11-23 01:31:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7836 states to 437 states and 4178 transitions. [2021-11-23 01:31:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 4178 transitions. [2021-11-23 01:31:20,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2021-11-23 01:31:20,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:20,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:20,970 INFO L134 CoverageAnalysis]: Checked inductivity of 24738 backedges. 0 proven. 10626 refuted. 0 times theorem prover too weak. 14112 trivial. 0 not checked. [2021-11-23 01:31:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:22,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8014 states to 442 states and 4270 transitions. [2021-11-23 01:31:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 4270 transitions. [2021-11-23 01:31:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2021-11-23 01:31:22,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:22,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 25330 backedges. 0 proven. 10880 refuted. 0 times theorem prover too weak. 14450 trivial. 0 not checked. [2021-11-23 01:31:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8194 states to 447 states and 4363 transitions. [2021-11-23 01:31:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 4363 transitions. [2021-11-23 01:31:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-11-23 01:31:25,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:25,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:26,750 INFO L134 CoverageAnalysis]: Checked inductivity of 25929 backedges. 0 proven. 11137 refuted. 0 times theorem prover too weak. 14792 trivial. 0 not checked. [2021-11-23 01:31:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8376 states to 452 states and 4457 transitions. [2021-11-23 01:31:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 4457 transitions. [2021-11-23 01:31:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2021-11-23 01:31:28,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:28,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:29,670 INFO L134 CoverageAnalysis]: Checked inductivity of 26535 backedges. 0 proven. 11397 refuted. 0 times theorem prover too weak. 15138 trivial. 0 not checked. [2021-11-23 01:31:31,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8560 states to 457 states and 4552 transitions. [2021-11-23 01:31:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 4552 transitions. [2021-11-23 01:31:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2021-11-23 01:31:31,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:31,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:32,865 INFO L134 CoverageAnalysis]: Checked inductivity of 27148 backedges. 0 proven. 11660 refuted. 0 times theorem prover too weak. 15488 trivial. 0 not checked. [2021-11-23 01:31:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8746 states to 462 states and 4648 transitions. [2021-11-23 01:31:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 4648 transitions. [2021-11-23 01:31:34,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2021-11-23 01:31:34,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:34,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 27768 backedges. 0 proven. 11926 refuted. 0 times theorem prover too weak. 15842 trivial. 0 not checked. [2021-11-23 01:31:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:38,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8934 states to 467 states and 4745 transitions. [2021-11-23 01:31:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 4745 transitions. [2021-11-23 01:31:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2021-11-23 01:31:38,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:38,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 28395 backedges. 0 proven. 12195 refuted. 0 times theorem prover too weak. 16200 trivial. 0 not checked. [2021-11-23 01:31:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9124 states to 472 states and 4843 transitions. [2021-11-23 01:31:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 4843 transitions. [2021-11-23 01:31:41,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2021-11-23 01:31:41,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:41,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 29029 backedges. 0 proven. 12467 refuted. 0 times theorem prover too weak. 16562 trivial. 0 not checked. [2021-11-23 01:31:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9316 states to 477 states and 4942 transitions. [2021-11-23 01:31:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 4942 transitions. [2021-11-23 01:31:44,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2021-11-23 01:31:44,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:44,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 29670 backedges. 0 proven. 12742 refuted. 0 times theorem prover too weak. 16928 trivial. 0 not checked. [2021-11-23 01:31:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9510 states to 482 states and 5042 transitions. [2021-11-23 01:31:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 5042 transitions. [2021-11-23 01:31:47,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2021-11-23 01:31:47,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:47,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 30318 backedges. 0 proven. 13020 refuted. 0 times theorem prover too weak. 17298 trivial. 0 not checked. [2021-11-23 01:31:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9706 states to 487 states and 5143 transitions. [2021-11-23 01:31:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 5143 transitions. [2021-11-23 01:31:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2021-11-23 01:31:50,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:50,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 30973 backedges. 0 proven. 13301 refuted. 0 times theorem prover too weak. 17672 trivial. 0 not checked. [2021-11-23 01:31:53,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:53,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9904 states to 492 states and 5245 transitions. [2021-11-23 01:31:53,728 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 5245 transitions. [2021-11-23 01:31:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2021-11-23 01:31:53,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:53,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 31635 backedges. 0 proven. 13585 refuted. 0 times theorem prover too weak. 18050 trivial. 0 not checked. [2021-11-23 01:31:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:57,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 497 states and 5348 transitions. [2021-11-23 01:31:57,023 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 5348 transitions. [2021-11-23 01:31:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2021-11-23 01:31:57,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:57,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:58,056 INFO L134 CoverageAnalysis]: Checked inductivity of 32304 backedges. 0 proven. 13872 refuted. 0 times theorem prover too weak. 18432 trivial. 0 not checked. [2021-11-23 01:32:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10306 states to 502 states and 5452 transitions. [2021-11-23 01:32:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 5452 transitions. [2021-11-23 01:32:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2021-11-23 01:32:00,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:00,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:01,384 INFO L134 CoverageAnalysis]: Checked inductivity of 32980 backedges. 0 proven. 14162 refuted. 0 times theorem prover too weak. 18818 trivial. 0 not checked. [2021-11-23 01:32:03,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10510 states to 507 states and 5557 transitions. [2021-11-23 01:32:03,658 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 5557 transitions. [2021-11-23 01:32:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2021-11-23 01:32:03,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:03,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 33663 backedges. 0 proven. 14455 refuted. 0 times theorem prover too weak. 19208 trivial. 0 not checked. [2021-11-23 01:32:07,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10716 states to 512 states and 5663 transitions. [2021-11-23 01:32:07,076 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 5663 transitions. [2021-11-23 01:32:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2021-11-23 01:32:07,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:07,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:08,091 INFO L134 CoverageAnalysis]: Checked inductivity of 34353 backedges. 0 proven. 14751 refuted. 0 times theorem prover too weak. 19602 trivial. 0 not checked. [2021-11-23 01:32:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:10,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10924 states to 517 states and 5770 transitions. [2021-11-23 01:32:10,525 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 5770 transitions. [2021-11-23 01:32:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2021-11-23 01:32:10,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:10,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:21,392 INFO L134 CoverageAnalysis]: Checked inductivity of 35050 backedges. 15050 proven. 0 refuted. 0 times theorem prover too weak. 20000 trivial. 0 not checked.