./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/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_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac64f5b077f8251002b0bb05f1aba070a52d8bbef53fa94e35704949c96b0f7c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:06:16,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:06:16,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:06:16,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:06:16,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:06:16,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:06:16,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:06:16,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:06:16,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:06:16,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:06:16,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:06:16,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:06:16,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:06:16,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:06:16,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:06:16,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:06:16,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:06:16,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:06:16,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:06:16,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:06:16,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:06:16,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:06:16,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:06:16,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:06:16,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:06:16,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:06:16,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:06:16,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:06:16,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:06:16,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:06:16,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:06:16,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:06:17,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:06:17,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:06:17,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:06:17,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:06:17,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:06:17,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:06:17,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:06:17,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:06:17,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:06:17,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 01:06:17,066 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:06:17,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:06:17,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:06:17,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:06:17,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:06:17,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:06:17,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:06:17,072 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:06:17,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:06:17,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:06:17,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:06:17,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:06:17,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:06:17,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:06:17,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:06:17,083 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:06:17,083 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:06:17,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:06:17,084 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:06:17,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:06:17,084 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:06:17,085 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:06:17,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:06:17,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:06:17,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:06:17,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:06:17,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:06:17,087 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:06:17,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:06:17,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:06:17,089 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_154818fe-f6a7-48b0-9bbb-86315639b4dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac64f5b077f8251002b0bb05f1aba070a52d8bbef53fa94e35704949c96b0f7c [2021-11-23 01:06:17,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:06:17,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:06:17,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:06:17,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:06:17,495 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:06:17,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/bitvector/byte_add-2.i [2021-11-23 01:06:17,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/data/c8e2e7f3a/a51adb712b7947e38af98808f621e98a/FLAG6586a1198 [2021-11-23 01:06:18,138 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:06:18,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/sv-benchmarks/c/bitvector/byte_add-2.i [2021-11-23 01:06:18,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/data/c8e2e7f3a/a51adb712b7947e38af98808f621e98a/FLAG6586a1198 [2021-11-23 01:06:18,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/data/c8e2e7f3a/a51adb712b7947e38af98808f621e98a [2021-11-23 01:06:18,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:06:18,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:06:18,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:06:18,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:06:18,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:06:18,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:18,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df3a95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18, skipping insertion in model container [2021-11-23 01:06:18,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:18,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:06:18,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:06:18,759 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_154818fe-f6a7-48b0-9bbb-86315639b4dc/sv-benchmarks/c/bitvector/byte_add-2.i[1166,1179] [2021-11-23 01:06:18,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:06:18,816 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:06:18,832 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_154818fe-f6a7-48b0-9bbb-86315639b4dc/sv-benchmarks/c/bitvector/byte_add-2.i[1166,1179] [2021-11-23 01:06:18,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:06:18,938 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:06:18,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18 WrapperNode [2021-11-23 01:06:18,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:06:18,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:06:18,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:06:18,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:06:18,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:18,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:19,041 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2021-11-23 01:06:19,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:06:19,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:06:19,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:06:19,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:06:19,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:19,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:19,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:19,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:19,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:19,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:19,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:19,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:06:19,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:06:19,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:06:19,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:06:19,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:19,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:06:19,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:06:19,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:06:19,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154818fe-f6a7-48b0-9bbb-86315639b4dc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:06:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:06:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:06:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:06:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:06:19,327 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:06:19,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:06:19,756 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:06:19,868 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:06:19,869 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:06:19,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:19 BoogieIcfgContainer [2021-11-23 01:06:19,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:06:19,873 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:06:19,873 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:06:19,886 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:06:19,887 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:19" (1/1) ... [2021-11-23 01:06:19,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:06:19,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 99 states and 116 transitions. [2021-11-23 01:06:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2021-11-23 01:06:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:06:19,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:19,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,168 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 01:06:20,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 98 states and 115 transitions. [2021-11-23 01:06:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2021-11-23 01:06:20,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:06:20,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,237 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 01:06:20,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2021-11-23 01:06:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2021-11-23 01:06:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:06:20,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,301 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 01:06:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2021-11-23 01:06:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2021-11-23 01:06:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:06:20,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,393 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 01:06:20,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2021-11-23 01:06:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-23 01:06:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:06:20,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2021-11-23 01:06:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2021-11-23 01:06:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:06:20,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,530 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 01:06:20,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2021-11-23 01:06:20,535 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-23 01:06:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:06:20,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,584 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 01:06:20,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2021-11-23 01:06:20,594 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2021-11-23 01:06:20,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:06:20,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,646 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 01:06:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2021-11-23 01:06:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2021-11-23 01:06:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:06:20,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,704 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 01:06:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2021-11-23 01:06:20,718 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2021-11-23 01:06:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:06:20,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,759 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 01:06:20,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2021-11-23 01:06:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2021-11-23 01:06:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:06:20,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,787 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 01:06:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2021-11-23 01:06:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2021-11-23 01:06:20,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:06:20,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,827 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 01:06:20,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2021-11-23 01:06:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2021-11-23 01:06:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:06:20,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,883 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 01:06:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2021-11-23 01:06:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2021-11-23 01:06:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:06:20,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,922 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 01:06:20,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2021-11-23 01:06:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2021-11-23 01:06:20,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:06:20,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,978 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 01:06:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2021-11-23 01:06:20,982 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2021-11-23 01:06:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:06:20,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,004 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 01:06:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2021-11-23 01:06:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2021-11-23 01:06:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:06:21,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,050 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 01:06:21,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2021-11-23 01:06:21,080 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2021-11-23 01:06:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:06:21,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,102 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 01:06:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2021-11-23 01:06:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2021-11-23 01:06:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:06:21,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,126 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 01:06:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2021-11-23 01:06:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2021-11-23 01:06:21,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:06:21,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,148 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 01:06:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2021-11-23 01:06:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2021-11-23 01:06:21,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:06:21,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,168 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 01:06:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2021-11-23 01:06:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2021-11-23 01:06:21,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:06:21,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,189 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 01:06:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2021-11-23 01:06:21,193 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2021-11-23 01:06:21,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:06:21,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,214 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 01:06:21,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2021-11-23 01:06:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2021-11-23 01:06:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:06:21,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,235 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 01:06:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2021-11-23 01:06:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2021-11-23 01:06:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:06:21,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,256 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 01:06:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2021-11-23 01:06:21,260 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2021-11-23 01:06:21,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:06:21,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,285 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 01:06:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2021-11-23 01:06:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2021-11-23 01:06:21,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:06:21,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,316 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 01:06:21,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2021-11-23 01:06:21,330 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2021-11-23 01:06:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:06:21,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,344 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 01:06:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2021-11-23 01:06:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2021-11-23 01:06:21,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:06:21,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,451 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 01:06:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 91 transitions. [2021-11-23 01:06:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2021-11-23 01:06:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:06:21,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,522 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 01:06:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 72 states and 90 transitions. [2021-11-23 01:06:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2021-11-23 01:06:21,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:06:21,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,558 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 01:06:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 89 transitions. [2021-11-23 01:06:21,564 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2021-11-23 01:06:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:06:21,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,592 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 01:06:21,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 88 transitions. [2021-11-23 01:06:21,604 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2021-11-23 01:06:21,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:06:21,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,633 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 01:06:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 87 transitions. [2021-11-23 01:06:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2021-11-23 01:06:21,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:06:21,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,660 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 01:06:21,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 86 transitions. [2021-11-23 01:06:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2021-11-23 01:06:21,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:06:21,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,691 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 01:06:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2021-11-23 01:06:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2021-11-23 01:06:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:06:21,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,719 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 01:06:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2021-11-23 01:06:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2021-11-23 01:06:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:06:21,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,748 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 01:06:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2021-11-23 01:06:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2021-11-23 01:06:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:06:21,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:21,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:22,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 71 states and 92 transitions. [2021-11-23 01:06:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2021-11-23 01:06:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:06:22,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:22,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:22,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:06:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2021-11-23 01:06:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2021-11-23 01:06:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:06:22,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:22,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 72 states and 95 transitions. [2021-11-23 01:06:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 95 transitions. [2021-11-23 01:06:22,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:06:22,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:22,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:22,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2021-11-23 01:06:22,844 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2021-11-23 01:06:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:06:22,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:22,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2021-11-23 01:06:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2021-11-23 01:06:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:06:22,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:22,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2021-11-23 01:06:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2021-11-23 01:06:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:06:23,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:23,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:24,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 92 states and 131 transitions. [2021-11-23 01:06:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-11-23 01:06:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:06:24,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:24,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:24,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 100 states and 147 transitions. [2021-11-23 01:06:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2021-11-23 01:06:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:06:24,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:24,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 111 states and 163 transitions. [2021-11-23 01:06:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2021-11-23 01:06:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:06:26,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:26,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:06:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 119 states and 181 transitions. [2021-11-23 01:06:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 181 transitions. [2021-11-23 01:06:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:06:27,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:27,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 132 states and 201 transitions. [2021-11-23 01:06:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 201 transitions. [2021-11-23 01:06:29,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:06:29,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:29,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:29,978 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:31,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 136 states and 211 transitions. [2021-11-23 01:06:31,370 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 211 transitions. [2021-11-23 01:06:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:06:31,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:31,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:33,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:33,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 148 states and 232 transitions. [2021-11-23 01:06:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 232 transitions. [2021-11-23 01:06:33,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:06:33,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:33,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:35,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 162 states and 256 transitions. [2021-11-23 01:06:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2021-11-23 01:06:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:06:35,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:35,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:06:36,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 165 states and 263 transitions. [2021-11-23 01:06:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 263 transitions. [2021-11-23 01:06:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:06:36,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:36,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:36,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 167 states and 266 transitions. [2021-11-23 01:06:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 266 transitions. [2021-11-23 01:06:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:06:36,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:36,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:38,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 180 states and 279 transitions. [2021-11-23 01:06:38,718 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 279 transitions. [2021-11-23 01:06:38,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:06:38,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:38,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:38,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 182 states and 283 transitions. [2021-11-23 01:06:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 283 transitions. [2021-11-23 01:06:38,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:06:38,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:38,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:38,955 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:39,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 184 states and 285 transitions. [2021-11-23 01:06:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 285 transitions. [2021-11-23 01:06:39,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:06:39,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:39,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:44,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:44,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 201 states and 324 transitions. [2021-11-23 01:06:44,681 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 324 transitions. [2021-11-23 01:06:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:06:44,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:44,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 204 states and 330 transitions. [2021-11-23 01:06:45,195 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 330 transitions. [2021-11-23 01:06:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:06:45,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:45,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 208 states and 334 transitions. [2021-11-23 01:06:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 334 transitions. [2021-11-23 01:06:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:06:46,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:46,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:46,681 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:06:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:49,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 220 states and 354 transitions. [2021-11-23 01:06:49,502 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 354 transitions. [2021-11-23 01:06:49,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:06:49,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:49,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:50,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 226 states and 362 transitions. [2021-11-23 01:06:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 362 transitions. [2021-11-23 01:06:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:06:50,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:50,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:06:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 235 states and 375 transitions. [2021-11-23 01:06:52,371 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 375 transitions. [2021-11-23 01:06:52,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:06:52,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:52,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:55,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:55,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 242 states and 385 transitions. [2021-11-23 01:06:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 385 transitions. [2021-11-23 01:06:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:06:55,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:55,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:07:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 260 states and 424 transitions. [2021-11-23 01:07:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 424 transitions. [2021-11-23 01:07:00,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:07:00,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:00,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:01,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 263 states and 427 transitions. [2021-11-23 01:07:01,090 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 427 transitions. [2021-11-23 01:07:01,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:07:01,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:01,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:07:06,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 277 states and 459 transitions. [2021-11-23 01:07:06,847 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 459 transitions. [2021-11-23 01:07:06,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:07:06,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:06,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:07:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 281 states and 464 transitions. [2021-11-23 01:07:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 464 transitions. [2021-11-23 01:07:06,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:07:06,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:06,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 284 states and 469 transitions. [2021-11-23 01:07:08,621 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 469 transitions. [2021-11-23 01:07:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:07:08,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:08,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:07:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 285 states and 467 transitions. [2021-11-23 01:07:08,805 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 467 transitions. [2021-11-23 01:07:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:07:08,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:08,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:08,852 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:07:08,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:08,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 286 states and 467 transitions. [2021-11-23 01:07:08,881 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 467 transitions. [2021-11-23 01:07:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:07:08,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:08,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:09,179 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:07:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 283 states and 469 transitions. [2021-11-23 01:07:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 469 transitions. [2021-11-23 01:07:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:07:11,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:11,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:18,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 299 states and 505 transitions. [2021-11-23 01:07:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2021-11-23 01:07:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:07:18,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:18,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:21,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:21,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 308 states and 523 transitions. [2021-11-23 01:07:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 523 transitions. [2021-11-23 01:07:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:07:21,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:21,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:25,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 315 states and 532 transitions. [2021-11-23 01:07:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 532 transitions. [2021-11-23 01:07:25,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:07:25,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:25,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:07:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 319 states and 540 transitions. [2021-11-23 01:07:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 540 transitions. [2021-11-23 01:07:27,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:07:27,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:27,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:07:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 324 states and 556 transitions. [2021-11-23 01:07:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 556 transitions. [2021-11-23 01:07:30,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:07:30,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:30,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:30,956 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:07:35,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:35,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 334 states and 577 transitions. [2021-11-23 01:07:35,538 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 577 transitions. [2021-11-23 01:07:35,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:07:35,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:35,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:51,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 371 states and 648 transitions. [2021-11-23 01:07:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 648 transitions. [2021-11-23 01:07:51,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:07:51,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:51,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 374 states and 652 transitions. [2021-11-23 01:07:53,679 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 652 transitions. [2021-11-23 01:07:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:07:53,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:53,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:08:00,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 392 states and 695 transitions. [2021-11-23 01:08:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 695 transitions. [2021-11-23 01:08:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:08:00,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:00,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 396 states and 705 transitions. [2021-11-23 01:08:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 705 transitions. [2021-11-23 01:08:04,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:08:04,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:04,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 400 states and 713 transitions. [2021-11-23 01:08:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 713 transitions. [2021-11-23 01:08:07,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:08:07,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:07,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:07,688 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:08:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 401 states and 716 transitions. [2021-11-23 01:08:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 716 transitions. [2021-11-23 01:08:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:08:08,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:08,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 402 states and 718 transitions. [2021-11-23 01:08:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 718 transitions. [2021-11-23 01:08:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:08:10,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:10,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:08:12,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 405 states and 720 transitions. [2021-11-23 01:08:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 720 transitions. [2021-11-23 01:08:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:08:12,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:12,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:13,231 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:08:19,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:19,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 414 states and 737 transitions. [2021-11-23 01:08:19,682 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 737 transitions. [2021-11-23 01:08:19,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:08:19,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:19,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:23,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:23,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 420 states and 745 transitions. [2021-11-23 01:08:23,577 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 745 transitions. [2021-11-23 01:08:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:08:23,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:23,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:08:33,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:33,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 439 states and 788 transitions. [2021-11-23 01:08:33,060 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 788 transitions. [2021-11-23 01:08:33,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:08:33,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:33,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:33,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 443 states and 791 transitions. [2021-11-23 01:08:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 791 transitions. [2021-11-23 01:08:33,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:08:33,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:33,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:33,895 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:08:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 454 states and 813 transitions. [2021-11-23 01:08:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 813 transitions. [2021-11-23 01:08:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:08:37,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:37,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:08:39,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 455 states and 815 transitions. [2021-11-23 01:08:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 815 transitions. [2021-11-23 01:08:39,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:08:39,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:39,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:09:01,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 472 states and 842 transitions. [2021-11-23 01:09:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 842 transitions. [2021-11-23 01:09:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:01,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:01,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:09:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 477 states and 853 transitions. [2021-11-23 01:09:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 853 transitions. [2021-11-23 01:09:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:05,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:05,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:05,931 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:09:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 481 states and 862 transitions. [2021-11-23 01:09:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 862 transitions. [2021-11-23 01:09:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:09,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:09,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:09:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 486 states and 876 transitions. [2021-11-23 01:09:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 876 transitions. [2021-11-23 01:09:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:12,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:12,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:09:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 487 states and 877 transitions. [2021-11-23 01:09:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 877 transitions. [2021-11-23 01:09:14,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:14,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:14,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:09:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 490 states and 885 transitions. [2021-11-23 01:09:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 885 transitions. [2021-11-23 01:09:16,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:16,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:16,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:09:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 494 states and 892 transitions. [2021-11-23 01:09:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 892 transitions. [2021-11-23 01:09:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:19,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:19,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:09:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 497 states and 896 transitions. [2021-11-23 01:09:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 896 transitions. [2021-11-23 01:09:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:21,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:21,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:25,055 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:09:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 507 states and 918 transitions. [2021-11-23 01:09:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 918 transitions. [2021-11-23 01:09:36,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:36,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:36,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:09:39,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 510 states and 924 transitions. [2021-11-23 01:09:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 924 transitions. [2021-11-23 01:09:39,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:39,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:39,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:09:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 514 states and 930 transitions. [2021-11-23 01:09:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 930 transitions. [2021-11-23 01:09:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:42,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:42,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 517 states and 937 transitions. [2021-11-23 01:09:45,648 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 937 transitions. [2021-11-23 01:09:45,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:45,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:45,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 521 states and 941 transitions. [2021-11-23 01:09:46,535 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 941 transitions. [2021-11-23 01:09:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:09:46,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:46,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:09:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:50,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 528 states and 950 transitions. [2021-11-23 01:09:50,447 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 950 transitions. [2021-11-23 01:09:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:09:50,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:50,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:09:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 533 states and 961 transitions. [2021-11-23 01:09:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 961 transitions. [2021-11-23 01:09:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:09:56,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:10:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 551 states and 993 transitions. [2021-11-23 01:10:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 993 transitions. [2021-11-23 01:10:09,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:10:09,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:09,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:10:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:21,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 561 states and 1016 transitions. [2021-11-23 01:10:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1016 transitions. [2021-11-23 01:10:21,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:10:21,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:21,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:10:33,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 574 states and 1040 transitions. [2021-11-23 01:10:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1040 transitions. [2021-11-23 01:10:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:10:33,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:33,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:10:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 578 states and 1049 transitions. [2021-11-23 01:10:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1049 transitions. [2021-11-23 01:10:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:10:37,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:37,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:10:40,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:40,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 585 states and 1057 transitions. [2021-11-23 01:10:40,058 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1057 transitions. [2021-11-23 01:10:40,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:10:40,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:40,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:10:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:43,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 589 states and 1064 transitions. [2021-11-23 01:10:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1064 transitions. [2021-11-23 01:10:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:10:43,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:43,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 01:10:46,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 595 states and 1074 transitions. [2021-11-23 01:10:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1074 transitions. [2021-11-23 01:10:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:10:46,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:46,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:11:00,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:00,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 599 states and 1077 transitions. [2021-11-23 01:11:00,133 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1077 transitions. [2021-11-23 01:11:00,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:11:00,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:00,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:01,861 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:11:08,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 604 states and 1084 transitions. [2021-11-23 01:11:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1084 transitions. [2021-11-23 01:11:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:11:08,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:08,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:11:30,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:30,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 632 states and 1135 transitions. [2021-11-23 01:11:30,867 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1135 transitions. [2021-11-23 01:11:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:11:30,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:30,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:11:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 642 states and 1149 transitions. [2021-11-23 01:11:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1149 transitions. [2021-11-23 01:11:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:11:37,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:37,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 01:11:43,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 648 states and 1164 transitions. [2021-11-23 01:11:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1164 transitions. [2021-11-23 01:11:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:11:43,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:43,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:11:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 650 states and 1166 transitions. [2021-11-23 01:11:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1166 transitions. [2021-11-23 01:11:45,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:11:45,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:45,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:11:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 655 states and 1179 transitions. [2021-11-23 01:11:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1179 transitions. [2021-11-23 01:11:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:11:53,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:53,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:11:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 659 states and 1184 transitions. [2021-11-23 01:11:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1184 transitions. [2021-11-23 01:11:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:11:59,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:59,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 23 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:12:10,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 677 states and 1228 transitions. [2021-11-23 01:12:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1228 transitions. [2021-11-23 01:12:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:10,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:10,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 23 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:12:15,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:15,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 685 states and 1239 transitions. [2021-11-23 01:12:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1239 transitions. [2021-11-23 01:12:15,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:15,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:15,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 23 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:12:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 687 states and 1243 transitions. [2021-11-23 01:12:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1243 transitions. [2021-11-23 01:12:17,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:17,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:17,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:19,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 688 states and 1244 transitions. [2021-11-23 01:12:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1244 transitions. [2021-11-23 01:12:19,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:19,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:19,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 690 states and 1247 transitions. [2021-11-23 01:12:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1247 transitions. [2021-11-23 01:12:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:21,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 691 states and 1248 transitions. [2021-11-23 01:12:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1248 transitions. [2021-11-23 01:12:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:22,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:22,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 23 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:12:25,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 692 states and 1251 transitions. [2021-11-23 01:12:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1251 transitions. [2021-11-23 01:12:25,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:25,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:25,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:28,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 695 states and 1254 transitions. [2021-11-23 01:12:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1254 transitions. [2021-11-23 01:12:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:28,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:28,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:30,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 696 states and 1255 transitions. [2021-11-23 01:12:30,342 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1255 transitions. [2021-11-23 01:12:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:30,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:30,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 697 states and 1260 transitions. [2021-11-23 01:12:32,312 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1260 transitions. [2021-11-23 01:12:32,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:32,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:32,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:34,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 699 states and 1263 transitions. [2021-11-23 01:12:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1263 transitions. [2021-11-23 01:12:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:34,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:34,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:36,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 701 states and 1266 transitions. [2021-11-23 01:12:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1266 transitions. [2021-11-23 01:12:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:36,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:36,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 40 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:13:15,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 741 states and 1341 transitions. [2021-11-23 01:13:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1341 transitions. [2021-11-23 01:13:15,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:13:15,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:15,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:13:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 742 states and 1343 transitions. [2021-11-23 01:13:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1343 transitions. [2021-11-23 01:13:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:13:18,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:18,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:13:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:22,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 749 states and 1352 transitions. [2021-11-23 01:13:22,000 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1352 transitions. [2021-11-23 01:13:22,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:13:22,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:22,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:22,229 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:13:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 755 states and 1363 transitions. [2021-11-23 01:13:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1363 transitions. [2021-11-23 01:13:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:13:29,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:29,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:13:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 764 states and 1368 transitions. [2021-11-23 01:13:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1368 transitions. [2021-11-23 01:13:38,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:13:38,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:38,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:13:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:56,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 785 states and 1400 transitions. [2021-11-23 01:13:56,872 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1400 transitions. [2021-11-23 01:13:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:13:56,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:56,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:14:08,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 797 states and 1415 transitions. [2021-11-23 01:14:08,960 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1415 transitions. [2021-11-23 01:14:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:14:08,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:08,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:14:09,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:09,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 800 states and 1418 transitions. [2021-11-23 01:14:09,107 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1418 transitions. [2021-11-23 01:14:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:14:09,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:09,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 47 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:14:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 811 states and 1439 transitions. [2021-11-23 01:14:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1439 transitions. [2021-11-23 01:14:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:14:16,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:16,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 41 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:14:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:45,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 847 states and 1493 transitions. [2021-11-23 01:14:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1493 transitions. [2021-11-23 01:14:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:14:45,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:45,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 01:14:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 853 states and 1500 transitions. [2021-11-23 01:14:50,647 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1500 transitions. [2021-11-23 01:14:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:14:50,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:50,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:50,713 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 01:14:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 864 states and 1515 transitions. [2021-11-23 01:14:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1515 transitions. [2021-11-23 01:14:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:14:54,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:54,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:15:05,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:05,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 867 states and 1515 transitions. [2021-11-23 01:15:05,617 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1515 transitions. [2021-11-23 01:15:05,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:15:05,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:05,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:15:07,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 868 states and 1516 transitions. [2021-11-23 01:15:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1516 transitions. [2021-11-23 01:15:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:15:07,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:07,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:15:11,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:11,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 869 states and 1517 transitions. [2021-11-23 01:15:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1517 transitions. [2021-11-23 01:15:11,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:15:11,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:11,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:15:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 873 states and 1509 transitions. [2021-11-23 01:15:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1509 transitions. [2021-11-23 01:15:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:15:15,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:15,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:15:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 877 states and 1508 transitions. [2021-11-23 01:15:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1508 transitions. [2021-11-23 01:15:23,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:15:23,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:23,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:15:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 864 states and 1492 transitions. [2021-11-23 01:15:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1492 transitions. [2021-11-23 01:15:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:15:28,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:28,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:28,278 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:15:29,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:29,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 856 states and 1482 transitions. [2021-11-23 01:15:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1482 transitions. [2021-11-23 01:15:29,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:15:29,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:29,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:29,373 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:15:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 856 states and 1481 transitions. [2021-11-23 01:15:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1481 transitions. [2021-11-23 01:15:30,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:15:30,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:30,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:15:38,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 862 states and 1490 transitions. [2021-11-23 01:15:38,169 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1490 transitions. [2021-11-23 01:15:38,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:15:38,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:38,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:15:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:44,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 879 states and 1512 transitions. [2021-11-23 01:15:44,285 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1512 transitions. [2021-11-23 01:15:44,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:15:44,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:44,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 23 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:17,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 914 states and 1572 transitions. [2021-11-23 01:16:17,287 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1572 transitions. [2021-11-23 01:16:17,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:16:17,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:17,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 23 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:21,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:21,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 917 states and 1578 transitions. [2021-11-23 01:16:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1578 transitions. [2021-11-23 01:16:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:16:21,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:21,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 26 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:39,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:39,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 923 states and 1592 transitions. [2021-11-23 01:16:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1592 transitions. [2021-11-23 01:16:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:16:39,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:39,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:16:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 942 states and 1629 transitions. [2021-11-23 01:16:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1629 transitions. [2021-11-23 01:16:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:16:53,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:53,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:16:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 945 states and 1634 transitions. [2021-11-23 01:16:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1634 transitions. [2021-11-23 01:16:56,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:16:56,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:56,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:17:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 954 states and 1646 transitions. [2021-11-23 01:17:06,216 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1646 transitions. [2021-11-23 01:17:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:06,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:06,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:17:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 957 states and 1654 transitions. [2021-11-23 01:17:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1654 transitions. [2021-11-23 01:17:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:10,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:10,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:11,248 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:17:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:11,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 963 states and 1661 transitions. [2021-11-23 01:17:11,316 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1661 transitions. [2021-11-23 01:17:11,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:11,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:11,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:17:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:19,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 981 states and 1685 transitions. [2021-11-23 01:17:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1685 transitions. [2021-11-23 01:17:19,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:19,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:19,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:17:23,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 992 states and 1699 transitions. [2021-11-23 01:17:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1699 transitions. [2021-11-23 01:17:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:23,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:23,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:23,668 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:17:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 993 states and 1700 transitions. [2021-11-23 01:17:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1700 transitions. [2021-11-23 01:17:24,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:24,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:24,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:17:25,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1000 states and 1708 transitions. [2021-11-23 01:17:25,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1708 transitions. [2021-11-23 01:17:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:25,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:25,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:17:31,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1001 states and 1712 transitions. [2021-11-23 01:17:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1712 transitions. [2021-11-23 01:17:31,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:31,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:31,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:17:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1008 states and 1723 transitions. [2021-11-23 01:17:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1723 transitions. [2021-11-23 01:17:35,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:35,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:35,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:17:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1011 states and 1729 transitions. [2021-11-23 01:17:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1729 transitions. [2021-11-23 01:17:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:37,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:37,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:17:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1036 states and 1768 transitions. [2021-11-23 01:17:53,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1768 transitions. [2021-11-23 01:17:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:53,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:17:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1039 states and 1774 transitions. [2021-11-23 01:17:55,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1774 transitions. [2021-11-23 01:17:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:17:55,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.