./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/min-2-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/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_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/min-2-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68785685c781649dca8a870a36ccbd5837fb99f65c0418361b1a73f7848e1bda --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:14:59,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:14:59,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:14:59,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:14:59,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:14:59,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:14:59,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:14:59,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:14:59,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:14:59,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:14:59,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:14:59,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:14:59,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:14:59,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:14:59,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:14:59,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:14:59,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:14:59,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:14:59,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:14:59,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:14:59,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:14:59,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:14:59,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:14:59,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:14:59,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:14:59,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:14:59,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:14:59,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:14:59,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:14:59,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:14:59,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:14:59,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:14:59,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:14:59,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:14:59,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:14:59,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:14:59,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:14:59,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:14:59,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:14:59,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:14:59,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:14:59,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:14:59,941 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:14:59,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:14:59,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:14:59,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:14:59,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:14:59,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:14:59,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:14:59,944 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:14:59,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:14:59,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:14:59,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:14:59,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:14:59,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:14:59,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:14:59,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:14:59,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:14:59,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:14:59,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:14:59,947 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:14:59,947 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:14:59,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:14:59,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:14:59,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:14:59,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:14:59,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:14:59,948 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:14:59,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:14:59,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:14:59,949 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_6d738344-44c7-429d-9ff7-25b42c9a7615/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68785685c781649dca8a870a36ccbd5837fb99f65c0418361b1a73f7848e1bda [2021-11-22 23:15:00,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:15:00,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:15:00,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:15:00,266 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:15:00,267 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:15:00,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-multidimensional/min-2-u.c [2021-11-22 23:15:00,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/data/c2d703e72/de3fb0f86bc64e8986f23fd03178a746/FLAG81b9c56d5 [2021-11-22 23:15:00,952 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:15:00,955 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/sv-benchmarks/c/array-multidimensional/min-2-u.c [2021-11-22 23:15:00,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/data/c2d703e72/de3fb0f86bc64e8986f23fd03178a746/FLAG81b9c56d5 [2021-11-22 23:15:01,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/data/c2d703e72/de3fb0f86bc64e8986f23fd03178a746 [2021-11-22 23:15:01,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:15:01,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:15:01,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:01,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:15:01,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:15:01,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202112ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01, skipping insertion in model container [2021-11-22 23:15:01,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:15:01,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:15:01,494 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_6d738344-44c7-429d-9ff7-25b42c9a7615/sv-benchmarks/c/array-multidimensional/min-2-u.c[319,332] [2021-11-22 23:15:01,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:01,541 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:15:01,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/sv-benchmarks/c/array-multidimensional/min-2-u.c[319,332] [2021-11-22 23:15:01,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:01,594 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:15:01,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01 WrapperNode [2021-11-22 23:15:01,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:01,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:01,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:15:01,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:15:01,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,663 INFO L137 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2021-11-22 23:15:01,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:01,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:15:01,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:15:01,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:15:01,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:15:01,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:15:01,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:15:01,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:15:01,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:01" (1/1) ... [2021-11-22 23:15:01,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:01,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:15:01,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:15:01,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d738344-44c7-429d-9ff7-25b42c9a7615/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:15:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:15:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:15:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:15:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:15:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:15:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:15:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:15:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:15:01,891 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:15:01,893 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:15:02,086 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:15:02,125 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:15:02,125 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-22 23:15:02,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:02 BoogieIcfgContainer [2021-11-22 23:15:02,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:15:02,129 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:15:02,129 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:15:02,140 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:15:02,141 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:02" (1/1) ... [2021-11-22 23:15:02,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:15:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2021-11-22 23:15:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2021-11-22 23:15:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:15:02,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:02,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:02,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:15:02,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-22 23:15:02,557 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-22 23:15:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:15:02,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:02,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:02,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:15:02,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2021-11-22 23:15:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2021-11-22 23:15:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:15:02,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:02,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:02,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:15:02,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:03,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-22 23:15:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-22 23:15:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:15:03,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:03,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:03,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:15:03,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-22 23:15:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-22 23:15:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:15:03,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:03,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:03,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:15:03,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:03,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2021-11-22 23:15:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2021-11-22 23:15:03,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:15:03,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:03,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:03,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:15:03,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:03,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-22 23:15:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-22 23:15:03,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:15:03,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:03,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:03,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:15:03,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-22 23:15:03,932 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-22 23:15:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:15:03,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:03,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:03,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:15:03,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2021-11-22 23:15:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2021-11-22 23:15:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:15:04,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:04,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:04,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:15:04,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:04,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-22 23:15:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-22 23:15:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:15:04,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:04,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:04,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:15:04,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:04,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2021-11-22 23:15:04,579 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-22 23:15:04,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:15:04,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:04,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:04,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:15:04,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:04,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2021-11-22 23:15:04,789 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-11-22 23:15:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:15:04,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:04,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:04,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:15:04,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:04,942 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-11-22 23:15:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-22 23:15:05,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:15:05,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:05,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:05,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:15:05,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2021-11-22 23:15:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-22 23:15:05,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:05,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:05,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:05,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:15:05,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2021-11-22 23:15:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-11-22 23:15:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:05,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:05,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:05,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 23:15:05,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:05,753 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-22 23:15:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-22 23:15:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:15:05,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:05,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:05,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:15:05,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2021-11-22 23:15:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2021-11-22 23:15:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:15:06,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:06,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:06,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:06,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:06,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2021-11-22 23:15:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2021-11-22 23:15:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:06,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:06,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:06,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:15:06,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2021-11-22 23:15:06,825 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-22 23:15:06,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:15:06,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:06,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:06,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:15:06,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:07,029 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:07,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:07,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2021-11-22 23:15:07,144 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2021-11-22 23:15:07,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:15:07,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:07,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 23:15:07,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-22 23:15:07,457 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-22 23:15:07,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:15:07,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:07,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:15:07,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:07,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-22 23:15:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-22 23:15:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:15:07,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:07,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:15:07,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:08,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-22 23:15:08,157 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-22 23:15:08,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:15:08,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:08,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:08,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 23:15:08,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:08,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-11-22 23:15:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-22 23:15:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:15:08,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:08,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:08,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-22 23:15:08,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2021-11-22 23:15:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2021-11-22 23:15:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:15:08,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:08,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:08,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-22 23:15:08,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:09,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:09,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2021-11-22 23:15:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2021-11-22 23:15:09,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:15:09,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:09,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:09,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:15:09,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2021-11-22 23:15:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-11-22 23:15:09,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:15:09,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:09,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:09,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:15:09,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2021-11-22 23:15:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-11-22 23:15:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:15:10,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:10,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:10,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:15:10,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:10,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2021-11-22 23:15:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2021-11-22 23:15:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:15:10,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:10,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:10,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-22 23:15:10,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2021-11-22 23:15:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2021-11-22 23:15:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:15:10,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:10,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:10,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:15:10,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:11,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2021-11-22 23:15:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2021-11-22 23:15:11,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:15:11,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:11,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:11,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-22 23:15:11,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2021-11-22 23:15:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2021-11-22 23:15:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:15:11,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:11,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:11,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-22 23:15:11,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2021-11-22 23:15:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2021-11-22 23:15:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:15:12,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:12,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:12,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:15:12,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:12,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2021-11-22 23:15:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2021-11-22 23:15:12,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:12,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:12,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:12,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:15:12,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2021-11-22 23:15:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2021-11-22 23:15:13,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:15:13,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:13,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:13,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-22 23:15:13,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:13,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2021-11-22 23:15:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2021-11-22 23:15:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:15:13,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:13,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:13,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:15:13,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2021-11-22 23:15:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2021-11-22 23:15:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:15:14,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:14,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:14,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-22 23:15:14,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:14,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:14,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2021-11-22 23:15:14,512 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2021-11-22 23:15:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:15:14,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:14,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:14,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:15:14,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2021-11-22 23:15:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-11-22 23:15:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:15:15,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:15,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:15,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-22 23:15:15,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-11-22 23:15:15,545 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-11-22 23:15:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:15:15,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:15,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:15,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-22 23:15:15,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-11-22 23:15:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-22 23:15:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:15:16,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:16,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:16,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-22 23:15:16,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:16,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 54 states and 63 transitions. [2021-11-22 23:15:16,625 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2021-11-22 23:15:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:15:16,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:16,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:16,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-22 23:15:16,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2021-11-22 23:15:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-11-22 23:15:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:15:17,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:17,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:17,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-22 23:15:17,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2021-11-22 23:15:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2021-11-22 23:15:17,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:15:17,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:17,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:17,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:15:17,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:18,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:18,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2021-11-22 23:15:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2021-11-22 23:15:18,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:15:18,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:18,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:18,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-22 23:15:18,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 58 states and 67 transitions. [2021-11-22 23:15:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2021-11-22 23:15:18,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:15:18,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:18,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:18,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-22 23:15:18,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2021-11-22 23:15:19,423 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2021-11-22 23:15:19,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:15:19,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:19,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:19,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-22 23:15:19,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 60 states and 69 transitions. [2021-11-22 23:15:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2021-11-22 23:15:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:15:19,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:19,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:20,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-22 23:15:20,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:20,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 61 states and 70 transitions. [2021-11-22 23:15:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2021-11-22 23:15:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:15:20,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:20,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:20,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-22 23:15:20,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2021-11-22 23:15:21,104 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2021-11-22 23:15:21,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:15:21,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:21,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:21,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-22 23:15:21,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:21,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2021-11-22 23:15:21,613 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2021-11-22 23:15:21,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:15:21,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:21,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:21,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-22 23:15:21,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2021-11-22 23:15:22,181 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2021-11-22 23:15:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:15:22,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:22,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:22,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-22 23:15:22,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:22,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2021-11-22 23:15:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2021-11-22 23:15:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:15:22,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:22,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:22,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-22 23:15:22,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2021-11-22 23:15:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2021-11-22 23:15:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:15:23,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:23,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:23,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-22 23:15:23,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2021-11-22 23:15:24,002 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2021-11-22 23:15:24,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:15:24,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:24,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:24,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-22 23:15:24,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2021-11-22 23:15:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2021-11-22 23:15:24,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:15:24,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:24,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:24,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-22 23:15:24,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:25,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2021-11-22 23:15:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2021-11-22 23:15:25,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:15:25,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:25,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:25,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-22 23:15:25,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 70 states and 79 transitions. [2021-11-22 23:15:25,955 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2021-11-22 23:15:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:15:25,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:25,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-22 23:15:26,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:26,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:26,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 80 transitions. [2021-11-22 23:15:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2021-11-22 23:15:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:15:26,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:26,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-22 23:15:26,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:26,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:27,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:27,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 81 transitions. [2021-11-22 23:15:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2021-11-22 23:15:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:15:27,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:27,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:27,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-22 23:15:27,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2021-11-22 23:15:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2021-11-22 23:15:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:15:28,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:28,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:28,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-22 23:15:28,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:28,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 74 states and 83 transitions. [2021-11-22 23:15:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2021-11-22 23:15:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:15:28,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:28,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:28,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-22 23:15:28,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:29,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:29,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:29,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2021-11-22 23:15:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2021-11-22 23:15:29,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:29,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:29,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:29,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-22 23:15:29,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2021-11-22 23:15:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2021-11-22 23:15:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:30,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:30,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:30,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-22 23:15:30,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-11-22 23:15:30,708 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-11-22 23:15:30,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:15:30,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:30,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:30,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-22 23:15:30,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 1 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2021-11-22 23:15:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2021-11-22 23:15:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:15:31,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:31,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:31,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-22 23:15:31,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2021-11-22 23:15:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2021-11-22 23:15:32,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:15:32,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:32,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:32,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-22 23:15:32,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:32,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2021-11-22 23:15:32,727 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2021-11-22 23:15:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:15:32,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:32,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:32,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-22 23:15:32,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 1 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2021-11-22 23:15:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2021-11-22 23:15:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:15:33,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:33,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:33,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-22 23:15:33,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:33,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 1 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2021-11-22 23:15:34,126 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2021-11-22 23:15:34,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:15:34,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:34,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:34,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-22 23:15:34,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:34,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 1 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:34,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2021-11-22 23:15:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2021-11-22 23:15:34,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:15:34,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:34,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:34,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-22 23:15:34,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 1 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2021-11-22 23:15:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2021-11-22 23:15:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:15:35,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:35,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:35,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-22 23:15:35,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 1 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:36,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2021-11-22 23:15:36,305 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2021-11-22 23:15:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:15:36,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:36,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:36,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-22 23:15:36,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2557 backedges. 1 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2021-11-22 23:15:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2021-11-22 23:15:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:15:37,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:37,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:37,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-22 23:15:37,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 1 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 87 states and 96 transitions. [2021-11-22 23:15:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2021-11-22 23:15:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:15:37,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:37,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:38,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-22 23:15:38,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 1 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:38,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 88 states and 97 transitions. [2021-11-22 23:15:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2021-11-22 23:15:38,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:15:38,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:38,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:38,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-22 23:15:38,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 1 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:39,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 89 states and 98 transitions. [2021-11-22 23:15:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2021-11-22 23:15:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:15:39,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:39,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:39,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-22 23:15:39,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:40,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2851 backedges. 1 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2021-11-22 23:15:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2021-11-22 23:15:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:15:40,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:40,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:40,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-22 23:15:40,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 1 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 91 states and 100 transitions. [2021-11-22 23:15:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2021-11-22 23:15:41,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:15:41,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:41,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:41,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-22 23:15:41,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 1 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 92 states and 101 transitions. [2021-11-22 23:15:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2021-11-22 23:15:41,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:15:41,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:41,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:42,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-22 23:15:42,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:42,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 1 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 93 states and 102 transitions. [2021-11-22 23:15:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2021-11-22 23:15:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:15:42,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:42,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:42,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-22 23:15:42,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3161 backedges. 1 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:43,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 94 states and 103 transitions. [2021-11-22 23:15:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2021-11-22 23:15:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:15:43,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:43,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:43,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-22 23:15:43,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3241 backedges. 1 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:44,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2021-11-22 23:15:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2021-11-22 23:15:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:15:44,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:44,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:44,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-22 23:15:44,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3322 backedges. 1 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 96 states and 105 transitions. [2021-11-22 23:15:45,212 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2021-11-22 23:15:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:15:45,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:45,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:45,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-22 23:15:45,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 1 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:46,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:46,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2021-11-22 23:15:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2021-11-22 23:15:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-22 23:15:46,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:46,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:46,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-22 23:15:46,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3487 backedges. 1 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:46,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 98 states and 107 transitions. [2021-11-22 23:15:46,906 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions. [2021-11-22 23:15:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:15:46,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:46,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:46,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-22 23:15:46,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3571 backedges. 1 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:47,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 99 states and 108 transitions. [2021-11-22 23:15:47,732 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2021-11-22 23:15:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:15:47,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:47,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:47,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-22 23:15:47,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3656 backedges. 1 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:48,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 100 states and 109 transitions. [2021-11-22 23:15:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2021-11-22 23:15:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:15:48,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:48,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:48,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-22 23:15:48,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:49,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3742 backedges. 1 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 101 states and 110 transitions. [2021-11-22 23:15:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2021-11-22 23:15:49,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 23:15:49,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:49,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:49,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-22 23:15:49,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3829 backedges. 1 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:50,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 102 states and 111 transitions. [2021-11-22 23:15:50,668 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2021-11-22 23:15:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-22 23:15:50,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:50,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:50,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-22 23:15:50,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3917 backedges. 1 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:51,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 103 states and 112 transitions. [2021-11-22 23:15:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 112 transitions. [2021-11-22 23:15:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:15:51,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:51,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:51,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-22 23:15:51,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4006 backedges. 1 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 104 states and 113 transitions. [2021-11-22 23:15:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2021-11-22 23:15:52,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:15:52,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:52,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:52,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-22 23:15:52,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:53,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4096 backedges. 1 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 105 states and 114 transitions. [2021-11-22 23:15:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2021-11-22 23:15:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:15:53,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:53,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:53,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-22 23:15:53,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 1 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:54,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 106 states and 115 transitions. [2021-11-22 23:15:54,483 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2021-11-22 23:15:54,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:15:54,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-22 23:15:54,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4279 backedges. 1 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:55,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 107 states and 116 transitions. [2021-11-22 23:15:55,401 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2021-11-22 23:15:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-22 23:15:55,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-22 23:15:55,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4372 backedges. 1 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 108 states and 117 transitions. [2021-11-22 23:15:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2021-11-22 23:15:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 23:15:56,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:56,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:56,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-22 23:15:56,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4466 backedges. 1 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 109 states and 118 transitions. [2021-11-22 23:15:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2021-11-22 23:15:57,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 23:15:57,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:57,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:57,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-22 23:15:57,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4561 backedges. 1 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:58,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:58,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 110 states and 119 transitions. [2021-11-22 23:15:58,244 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2021-11-22 23:15:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:15:58,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:58,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:58,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-22 23:15:58,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4657 backedges. 1 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:59,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 111 states and 120 transitions. [2021-11-22 23:15:59,254 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions. [2021-11-22 23:15:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:15:59,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:59,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:59,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-22 23:15:59,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:59,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4754 backedges. 1 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 112 states and 121 transitions. [2021-11-22 23:16:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2021-11-22 23:16:00,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 23:16:00,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:00,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:00,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-22 23:16:00,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:00,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4852 backedges. 1 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:01,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:01,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 113 states and 122 transitions. [2021-11-22 23:16:01,185 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2021-11-22 23:16:01,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:16:01,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:01,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:01,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-22 23:16:01,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4951 backedges. 1 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:02,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 114 states and 123 transitions. [2021-11-22 23:16:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2021-11-22 23:16:02,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-22 23:16:02,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:02,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:02,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-22 23:16:02,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5051 backedges. 1 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 115 states and 124 transitions. [2021-11-22 23:16:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 124 transitions. [2021-11-22 23:16:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 23:16:03,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:03,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:03,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-22 23:16:03,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5152 backedges. 1 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:04,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:04,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 116 states and 125 transitions. [2021-11-22 23:16:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 125 transitions. [2021-11-22 23:16:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-22 23:16:04,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:04,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:04,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-22 23:16:04,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:04,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5254 backedges. 1 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 117 states and 126 transitions. [2021-11-22 23:16:05,125 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 126 transitions. [2021-11-22 23:16:05,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-22 23:16:05,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:05,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:05,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-22 23:16:05,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5357 backedges. 1 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:06,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 118 states and 127 transitions. [2021-11-22 23:16:06,210 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 127 transitions. [2021-11-22 23:16:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-22 23:16:06,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:06,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:06,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-22 23:16:06,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 1 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 119 states and 128 transitions. [2021-11-22 23:16:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 128 transitions. [2021-11-22 23:16:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 23:16:07,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:07,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:07,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-22 23:16:07,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5566 backedges. 1 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:08,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:08,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 120 states and 129 transitions. [2021-11-22 23:16:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 129 transitions. [2021-11-22 23:16:08,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:16:08,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:08,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:08,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-22 23:16:08,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:08,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5672 backedges. 1 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:09,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 121 states and 130 transitions. [2021-11-22 23:16:09,327 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2021-11-22 23:16:09,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 23:16:09,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:09,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:09,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-22 23:16:09,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5779 backedges. 1 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:10,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 122 states and 131 transitions. [2021-11-22 23:16:10,429 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 131 transitions. [2021-11-22 23:16:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 23:16:10,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:10,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:10,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-22 23:16:10,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5887 backedges. 1 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:11,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 123 states and 132 transitions. [2021-11-22 23:16:11,495 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2021-11-22 23:16:11,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-22 23:16:11,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:11,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:11,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-22 23:16:11,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 1 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:12,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:12,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 124 states and 133 transitions. [2021-11-22 23:16:12,541 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 133 transitions. [2021-11-22 23:16:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:16:12,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:12,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:12,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-22 23:16:12,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6106 backedges. 1 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 125 states and 134 transitions. [2021-11-22 23:16:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 134 transitions. [2021-11-22 23:16:13,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 23:16:13,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:13,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:13,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-22 23:16:13,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6217 backedges. 1 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 126 states and 135 transitions. [2021-11-22 23:16:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 135 transitions. [2021-11-22 23:16:14,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:16:14,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:14,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:14,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-22 23:16:14,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:15,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6329 backedges. 1 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 127 states and 136 transitions. [2021-11-22 23:16:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 136 transitions. [2021-11-22 23:16:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:16:15,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:15,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:15,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-22 23:16:15,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6442 backedges. 1 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:16,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 128 states and 137 transitions. [2021-11-22 23:16:16,944 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2021-11-22 23:16:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-22 23:16:16,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:16,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:17,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-22 23:16:17,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6556 backedges. 1 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 129 states and 138 transitions. [2021-11-22 23:16:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 138 transitions. [2021-11-22 23:16:18,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:16:18,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:18,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:18,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-22 23:16:18,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6671 backedges. 1 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 130 states and 139 transitions. [2021-11-22 23:16:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2021-11-22 23:16:19,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-22 23:16:19,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:19,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:19,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-22 23:16:19,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6787 backedges. 1 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:20,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:20,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 131 states and 140 transitions. [2021-11-22 23:16:20,303 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2021-11-22 23:16:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-22 23:16:20,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:20,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:20,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-22 23:16:20,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6904 backedges. 1 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:21,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2021-11-22 23:16:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2021-11-22 23:16:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 23:16:21,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:21,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:21,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-22 23:16:21,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 7022 backedges. 1 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2021-11-22 23:16:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2021-11-22 23:16:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-22 23:16:22,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:22,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:22,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-22 23:16:22,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 7141 backedges. 1 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:23,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:23,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 134 states and 143 transitions. [2021-11-22 23:16:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2021-11-22 23:16:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:16:23,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:23,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:23,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-22 23:16:23,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 1 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 135 states and 144 transitions. [2021-11-22 23:16:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 144 transitions. [2021-11-22 23:16:25,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-22 23:16:25,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:25,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:25,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-22 23:16:25,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:25,812 INFO L134 CoverageAnalysis]: Checked inductivity of 7382 backedges. 1 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:26,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 136 states and 145 transitions. [2021-11-22 23:16:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 145 transitions. [2021-11-22 23:16:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-22 23:16:26,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:26,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:26,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-22 23:16:26,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7504 backedges. 1 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:27,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 137 states and 146 transitions. [2021-11-22 23:16:27,425 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 146 transitions. [2021-11-22 23:16:27,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-22 23:16:27,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:27,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:27,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-22 23:16:27,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7627 backedges. 1 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 138 states and 147 transitions. [2021-11-22 23:16:28,677 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2021-11-22 23:16:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-22 23:16:28,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:28,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:28,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-22 23:16:28,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:29,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 1 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 139 states and 148 transitions. [2021-11-22 23:16:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2021-11-22 23:16:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-22 23:16:29,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:29,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:29,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-22 23:16:29,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:30,607 INFO L134 CoverageAnalysis]: Checked inductivity of 7876 backedges. 1 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 140 states and 149 transitions. [2021-11-22 23:16:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2021-11-22 23:16:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-22 23:16:31,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:31,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:31,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-22 23:16:31,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 8002 backedges. 1 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:32,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 141 states and 150 transitions. [2021-11-22 23:16:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2021-11-22 23:16:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-22 23:16:32,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:32,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-22 23:16:32,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:33,158 INFO L134 CoverageAnalysis]: Checked inductivity of 8129 backedges. 1 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:33,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 142 states and 151 transitions. [2021-11-22 23:16:33,602 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 151 transitions. [2021-11-22 23:16:33,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-22 23:16:33,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:33,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:33,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-22 23:16:33,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 8257 backedges. 1 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 143 states and 152 transitions. [2021-11-22 23:16:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2021-11-22 23:16:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-22 23:16:34,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-22 23:16:34,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8386 backedges. 1 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:36,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 144 states and 153 transitions. [2021-11-22 23:16:36,075 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2021-11-22 23:16:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-22 23:16:36,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:36,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:36,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-22 23:16:36,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:36,888 INFO L134 CoverageAnalysis]: Checked inductivity of 8516 backedges. 1 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:37,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 145 states and 154 transitions. [2021-11-22 23:16:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2021-11-22 23:16:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-22 23:16:37,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:37,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-22 23:16:37,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:38,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 1 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 146 states and 155 transitions. [2021-11-22 23:16:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2021-11-22 23:16:38,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-22 23:16:38,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-22 23:16:38,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 8779 backedges. 1 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:39,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:39,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2021-11-22 23:16:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2021-11-22 23:16:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-22 23:16:39,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:39,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:40,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-22 23:16:40,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:40,810 INFO L134 CoverageAnalysis]: Checked inductivity of 8912 backedges. 1 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2021-11-22 23:16:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2021-11-22 23:16:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-22 23:16:41,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:41,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:41,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-22 23:16:41,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 9046 backedges. 1 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2021-11-22 23:16:42,632 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2021-11-22 23:16:42,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-22 23:16:42,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:42,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:42,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-22 23:16:42,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:43,457 INFO L134 CoverageAnalysis]: Checked inductivity of 9181 backedges. 1 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2021-11-22 23:16:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2021-11-22 23:16:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-22 23:16:43,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:43,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:44,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-22 23:16:44,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 9317 backedges. 1 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 151 states and 160 transitions. [2021-11-22 23:16:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2021-11-22 23:16:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:16:45,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:45,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:45,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-22 23:16:45,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:46,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9454 backedges. 1 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:46,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 152 states and 161 transitions. [2021-11-22 23:16:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 161 transitions. [2021-11-22 23:16:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:16:46,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:46,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:46,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-22 23:16:46,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 9592 backedges. 1 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:47,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 153 states and 162 transitions. [2021-11-22 23:16:47,955 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 162 transitions. [2021-11-22 23:16:47,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-22 23:16:47,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:47,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:48,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-22 23:16:48,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 9731 backedges. 1 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:49,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 154 states and 163 transitions. [2021-11-22 23:16:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 163 transitions. [2021-11-22 23:16:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-22 23:16:49,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:49,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:49,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-22 23:16:49,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 9871 backedges. 1 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 155 states and 164 transitions. [2021-11-22 23:16:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 164 transitions. [2021-11-22 23:16:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:16:50,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:50,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:50,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-22 23:16:50,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:51,664 INFO L134 CoverageAnalysis]: Checked inductivity of 10012 backedges. 1 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:52,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 156 states and 165 transitions. [2021-11-22 23:16:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 165 transitions. [2021-11-22 23:16:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-22 23:16:52,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:52,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:52,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-22 23:16:52,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 10154 backedges. 1 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 157 states and 166 transitions. [2021-11-22 23:16:53,558 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 166 transitions. [2021-11-22 23:16:53,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:16:53,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:53,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-22 23:16:53,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:54,477 INFO L134 CoverageAnalysis]: Checked inductivity of 10297 backedges. 1 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 158 states and 167 transitions. [2021-11-22 23:16:54,981 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 167 transitions. [2021-11-22 23:16:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-22 23:16:54,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:55,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-22 23:16:55,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10441 backedges. 1 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 159 states and 168 transitions. [2021-11-22 23:16:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 168 transitions. [2021-11-22 23:16:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-22 23:16:56,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:56,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:56,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-22 23:16:56,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 10586 backedges. 1 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 160 states and 169 transitions. [2021-11-22 23:16:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 169 transitions. [2021-11-22 23:16:57,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-22 23:16:57,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:57,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:57,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-22 23:16:57,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10732 backedges. 1 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 161 states and 170 transitions. [2021-11-22 23:16:59,241 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 170 transitions. [2021-11-22 23:16:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-22 23:16:59,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:59,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:59,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-22 23:16:59,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 10879 backedges. 1 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 162 states and 171 transitions. [2021-11-22 23:17:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 171 transitions. [2021-11-22 23:17:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-22 23:17:00,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:00,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:00,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-22 23:17:00,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 11027 backedges. 1 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 163 states and 172 transitions. [2021-11-22 23:17:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 172 transitions. [2021-11-22 23:17:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-22 23:17:02,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-22 23:17:02,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 11176 backedges. 1 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:03,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 164 states and 173 transitions. [2021-11-22 23:17:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 173 transitions. [2021-11-22 23:17:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-22 23:17:03,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:03,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:03,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-22 23:17:03,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 11326 backedges. 1 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:05,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:05,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 165 states and 174 transitions. [2021-11-22 23:17:05,173 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 174 transitions. [2021-11-22 23:17:05,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:17:05,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:05,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:05,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-22 23:17:05,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 11477 backedges. 1 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:06,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 166 states and 175 transitions. [2021-11-22 23:17:06,806 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 175 transitions. [2021-11-22 23:17:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-22 23:17:06,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:06,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:06,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-22 23:17:06,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 11629 backedges. 1 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:08,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:08,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 167 states and 176 transitions. [2021-11-22 23:17:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 176 transitions. [2021-11-22 23:17:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-22 23:17:08,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:08,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:08,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-22 23:17:08,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 11782 backedges. 1 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 168 states and 177 transitions. [2021-11-22 23:17:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 177 transitions. [2021-11-22 23:17:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-22 23:17:09,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:09,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-22 23:17:09,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 11936 backedges. 1 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 169 states and 178 transitions. [2021-11-22 23:17:11,343 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 178 transitions. [2021-11-22 23:17:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-22 23:17:11,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-22 23:17:11,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12091 backedges. 1 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:13,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 170 states and 179 transitions. [2021-11-22 23:17:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 179 transitions. [2021-11-22 23:17:13,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-22 23:17:13,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-22 23:17:13,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:13,962 INFO L134 CoverageAnalysis]: Checked inductivity of 12247 backedges. 1 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 171 states and 180 transitions. [2021-11-22 23:17:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 180 transitions. [2021-11-22 23:17:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:17:14,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-22 23:17:14,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 12404 backedges. 1 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 172 states and 181 transitions. [2021-11-22 23:17:16,105 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 181 transitions. [2021-11-22 23:17:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-22 23:17:16,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:16,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-22 23:17:16,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 12562 backedges. 1 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:17,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 173 states and 182 transitions. [2021-11-22 23:17:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 182 transitions. [2021-11-22 23:17:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:17:17,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:17,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:17,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-22 23:17:17,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:18,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 1 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 174 states and 183 transitions. [2021-11-22 23:17:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 183 transitions. [2021-11-22 23:17:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-22 23:17:19,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:19,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:19,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-22 23:17:19,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12881 backedges. 1 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:20,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 175 states and 184 transitions. [2021-11-22 23:17:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 184 transitions. [2021-11-22 23:17:20,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-22 23:17:20,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:20,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:21,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-22 23:17:21,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 13042 backedges. 1 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 176 states and 185 transitions. [2021-11-22 23:17:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 185 transitions. [2021-11-22 23:17:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-22 23:17:22,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-22 23:17:22,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 13204 backedges. 1 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:24,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 177 states and 186 transitions. [2021-11-22 23:17:24,143 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 186 transitions. [2021-11-22 23:17:24,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-22 23:17:24,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-22 23:17:24,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 13367 backedges. 1 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 178 states and 187 transitions. [2021-11-22 23:17:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 187 transitions. [2021-11-22 23:17:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-22 23:17:25,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-22 23:17:26,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 13531 backedges. 1 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:27,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 179 states and 188 transitions. [2021-11-22 23:17:27,529 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 188 transitions. [2021-11-22 23:17:27,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-22 23:17:27,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-22 23:17:27,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 13696 backedges. 1 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 180 states and 189 transitions. [2021-11-22 23:17:29,151 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 189 transitions. [2021-11-22 23:17:29,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:17:29,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 1068 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-22 23:17:29,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 13862 backedges. 1 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 181 states and 190 transitions. [2021-11-22 23:17:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 190 transitions. [2021-11-22 23:17:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-22 23:17:30,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-22 23:17:31,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 14029 backedges. 1 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 182 states and 191 transitions. [2021-11-22 23:17:32,685 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 191 transitions. [2021-11-22 23:17:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-22 23:17:32,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:32,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1080 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-22 23:17:32,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 14197 backedges. 1 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 183 states and 192 transitions. [2021-11-22 23:17:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 192 transitions. [2021-11-22 23:17:34,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-22 23:17:34,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-22 23:17:34,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,349 INFO L134 CoverageAnalysis]: Checked inductivity of 14366 backedges. 1 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:35,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 184 states and 193 transitions. [2021-11-22 23:17:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 193 transitions. [2021-11-22 23:17:35,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:17:35,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 14536 backedges. 1 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 185 states and 194 transitions. [2021-11-22 23:17:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 194 transitions. [2021-11-22 23:17:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-22 23:17:37,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-22 23:17:37,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 14707 backedges. 1 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 186 states and 195 transitions. [2021-11-22 23:17:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 195 transitions. [2021-11-22 23:17:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-22 23:17:39,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:40,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14879 backedges. 1 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:41,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 187 states and 196 transitions. [2021-11-22 23:17:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 196 transitions. [2021-11-22 23:17:41,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-22 23:17:41,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-22 23:17:41,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 15052 backedges. 1 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 188 states and 197 transitions. [2021-11-22 23:17:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 197 transitions. [2021-11-22 23:17:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-22 23:17:42,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-22 23:17:43,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,028 INFO L134 CoverageAnalysis]: Checked inductivity of 15226 backedges. 1 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 189 states and 198 transitions. [2021-11-22 23:17:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 198 transitions. [2021-11-22 23:17:44,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-22 23:17:44,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15401 backedges. 1 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:46,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 190 states and 199 transitions. [2021-11-22 23:17:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 199 transitions. [2021-11-22 23:17:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-22 23:17:46,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 15577 backedges. 1 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:48,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 191 states and 200 transitions. [2021-11-22 23:17:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 200 transitions. [2021-11-22 23:17:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-22 23:17:48,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 15754 backedges. 1 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 192 states and 201 transitions. [2021-11-22 23:17:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 201 transitions. [2021-11-22 23:17:50,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-22 23:17:50,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15932 backedges. 1 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 193 states and 202 transitions. [2021-11-22 23:17:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 202 transitions. [2021-11-22 23:17:51,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-22 23:17:51,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16111 backedges. 1 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 194 states and 203 transitions. [2021-11-22 23:17:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 203 transitions. [2021-11-22 23:17:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-22 23:17:53,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 16291 backedges. 1 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:55,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 195 states and 204 transitions. [2021-11-22 23:17:55,662 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 204 transitions. [2021-11-22 23:17:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-22 23:17:55,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 16472 backedges. 1 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 196 states and 205 transitions. [2021-11-22 23:17:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 205 transitions. [2021-11-22 23:17:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-22 23:17:57,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-22 23:17:57,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,612 INFO L134 CoverageAnalysis]: Checked inductivity of 16654 backedges. 1 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 197 states and 206 transitions. [2021-11-22 23:17:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 206 transitions. [2021-11-22 23:17:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-22 23:17:59,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,534 INFO L134 CoverageAnalysis]: Checked inductivity of 16837 backedges. 1 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 198 states and 207 transitions. [2021-11-22 23:18:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 207 transitions. [2021-11-22 23:18:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-22 23:18:01,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 17021 backedges. 1 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 199 states and 208 transitions. [2021-11-22 23:18:03,242 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 208 transitions. [2021-11-22 23:18:03,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-22 23:18:03,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 17206 backedges. 1 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 200 states and 209 transitions. [2021-11-22 23:18:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 209 transitions. [2021-11-22 23:18:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-22 23:18:05,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 17392 backedges. 1 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 201 states and 210 transitions. [2021-11-22 23:18:06,885 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 210 transitions. [2021-11-22 23:18:06,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-22 23:18:06,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 17579 backedges. 1 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 202 states and 211 transitions. [2021-11-22 23:18:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 211 transitions. [2021-11-22 23:18:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-22 23:18:08,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 17767 backedges. 1 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 203 states and 212 transitions. [2021-11-22 23:18:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 212 transitions. [2021-11-22 23:18:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-22 23:18:10,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17956 backedges. 1 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 204 states and 213 transitions. [2021-11-22 23:18:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 213 transitions. [2021-11-22 23:18:12,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-22 23:18:12,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,842 INFO L134 CoverageAnalysis]: Checked inductivity of 18146 backedges. 1 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:14,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 205 states and 214 transitions. [2021-11-22 23:18:14,546 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 214 transitions. [2021-11-22 23:18:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-22 23:18:14,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 18337 backedges. 1 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:16,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 206 states and 215 transitions. [2021-11-22 23:18:16,535 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 215 transitions. [2021-11-22 23:18:16,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:18:16,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18529 backedges. 1 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 207 states and 216 transitions. [2021-11-22 23:18:18,466 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 216 transitions. [2021-11-22 23:18:18,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-22 23:18:18,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 18722 backedges. 1 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 208 states and 217 transitions. [2021-11-22 23:18:20,372 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 217 transitions. [2021-11-22 23:18:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-22 23:18:20,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 18916 backedges. 1 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:22,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 209 states and 218 transitions. [2021-11-22 23:18:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 218 transitions. [2021-11-22 23:18:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-22 23:18:22,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 19111 backedges. 1 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:24,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 210 states and 219 transitions. [2021-11-22 23:18:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 219 transitions. [2021-11-22 23:18:24,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-22 23:18:24,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,708 INFO L134 CoverageAnalysis]: Checked inductivity of 19307 backedges. 1 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 211 states and 220 transitions. [2021-11-22 23:18:26,409 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 220 transitions. [2021-11-22 23:18:26,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-22 23:18:26,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 19504 backedges. 1 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:28,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 212 states and 221 transitions. [2021-11-22 23:18:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 221 transitions. [2021-11-22 23:18:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-22 23:18:28,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 19702 backedges. 1 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 213 states and 222 transitions. [2021-11-22 23:18:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 222 transitions. [2021-11-22 23:18:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-22 23:18:30,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 19901 backedges. 1 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 214 states and 223 transitions. [2021-11-22 23:18:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 223 transitions. [2021-11-22 23:18:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-22 23:18:32,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-22 23:18:32,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 20101 backedges. 1 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 215 states and 224 transitions. [2021-11-22 23:18:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 224 transitions. [2021-11-22 23:18:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-22 23:18:34,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 20302 backedges. 1 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:36,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 216 states and 225 transitions. [2021-11-22 23:18:36,528 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 225 transitions. [2021-11-22 23:18:36,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-22 23:18:36,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20504 backedges. 1 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 217 states and 226 transitions. [2021-11-22 23:18:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 226 transitions. [2021-11-22 23:18:38,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-22 23:18:38,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 20707 backedges. 1 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:40,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 218 states and 227 transitions. [2021-11-22 23:18:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 227 transitions. [2021-11-22 23:18:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-22 23:18:40,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20911 backedges. 1 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 219 states and 228 transitions. [2021-11-22 23:18:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 228 transitions. [2021-11-22 23:18:42,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-22 23:18:42,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 21116 backedges. 1 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:45,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 220 states and 229 transitions. [2021-11-22 23:18:45,197 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 229 transitions. [2021-11-22 23:18:45,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-22 23:18:45,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 21322 backedges. 1 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 221 states and 230 transitions. [2021-11-22 23:18:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 230 transitions. [2021-11-22 23:18:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-22 23:18:47,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-22 23:18:47,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 21529 backedges. 1 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:49,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 222 states and 231 transitions. [2021-11-22 23:18:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 231 transitions. [2021-11-22 23:18:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-22 23:18:49,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 21737 backedges. 1 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 223 states and 232 transitions. [2021-11-22 23:18:51,803 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 232 transitions. [2021-11-22 23:18:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-22 23:18:51,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 21946 backedges. 1 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:54,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 224 states and 233 transitions. [2021-11-22 23:18:54,224 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 233 transitions. [2021-11-22 23:18:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-22 23:18:54,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-22 23:18:54,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 22156 backedges. 1 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:56,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 225 states and 234 transitions. [2021-11-22 23:18:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 234 transitions. [2021-11-22 23:18:56,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-22 23:18:56,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 22367 backedges. 1 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 226 states and 235 transitions. [2021-11-22 23:18:58,451 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 235 transitions. [2021-11-22 23:18:58,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-22 23:18:58,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 22579 backedges. 1 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 227 states and 236 transitions. [2021-11-22 23:19:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 236 transitions. [2021-11-22 23:19:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-22 23:19:00,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 22792 backedges. 1 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 228 states and 237 transitions. [2021-11-22 23:19:03,074 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 237 transitions. [2021-11-22 23:19:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-22 23:19:03,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,563 INFO L134 CoverageAnalysis]: Checked inductivity of 23006 backedges. 1 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:05,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 229 states and 238 transitions. [2021-11-22 23:19:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 238 transitions. [2021-11-22 23:19:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-22 23:19:05,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 1362 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 23221 backedges. 1 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:07,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 230 states and 239 transitions. [2021-11-22 23:19:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 239 transitions. [2021-11-22 23:19:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-22 23:19:07,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 23437 backedges. 1 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 231 states and 240 transitions. [2021-11-22 23:19:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 240 transitions. [2021-11-22 23:19:09,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-22 23:19:09,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 23654 backedges. 1 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 232 states and 241 transitions. [2021-11-22 23:19:12,070 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 241 transitions. [2021-11-22 23:19:12,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-22 23:19:12,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 23872 backedges. 1 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:14,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 233 states and 242 transitions. [2021-11-22 23:19:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 242 transitions. [2021-11-22 23:19:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-22 23:19:14,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:14,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:14,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-22 23:19:14,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 24091 backedges. 1 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 234 states and 243 transitions. [2021-11-22 23:19:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 243 transitions. [2021-11-22 23:19:16,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-22 23:19:16,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:16,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:16,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-22 23:19:16,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 24311 backedges. 1 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:18,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 235 states and 244 transitions. [2021-11-22 23:19:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 244 transitions. [2021-11-22 23:19:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-22 23:19:18,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:18,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:19,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-22 23:19:19,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 24532 backedges. 1 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 236 states and 245 transitions. [2021-11-22 23:19:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 245 transitions. [2021-11-22 23:19:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-22 23:19:21,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:21,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:21,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-22 23:19:21,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 24754 backedges. 1 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 237 states and 246 transitions. [2021-11-22 23:19:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 246 transitions. [2021-11-22 23:19:23,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-22 23:19:23,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-22 23:19:23,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 24977 backedges. 1 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 238 states and 247 transitions. [2021-11-22 23:19:25,859 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 247 transitions. [2021-11-22 23:19:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-22 23:19:25,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-22 23:19:26,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 25201 backedges. 1 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:28,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 239 states and 248 transitions. [2021-11-22 23:19:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 248 transitions. [2021-11-22 23:19:28,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-22 23:19:28,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:28,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:28,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-22 23:19:28,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 25426 backedges. 1 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:30,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:30,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 240 states and 249 transitions. [2021-11-22 23:19:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 249 transitions. [2021-11-22 23:19:30,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-22 23:19:30,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:30,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:30,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-22 23:19:30,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 25652 backedges. 1 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:32,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 241 states and 250 transitions. [2021-11-22 23:19:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 250 transitions. [2021-11-22 23:19:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-22 23:19:32,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:32,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:33,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1434 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-22 23:19:33,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 25879 backedges. 1 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:35,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 242 states and 251 transitions. [2021-11-22 23:19:35,161 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 251 transitions. [2021-11-22 23:19:35,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-22 23:19:35,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:35,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:35,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-22 23:19:35,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 26107 backedges. 1 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:37,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 243 states and 252 transitions. [2021-11-22 23:19:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 252 transitions. [2021-11-22 23:19:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-22 23:19:37,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:37,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:37,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-22 23:19:37,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 26336 backedges. 1 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:40,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 244 states and 253 transitions. [2021-11-22 23:19:40,097 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 253 transitions. [2021-11-22 23:19:40,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-22 23:19:40,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:40,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:40,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-22 23:19:40,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 26566 backedges. 1 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 245 states and 254 transitions. [2021-11-22 23:19:42,417 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 254 transitions. [2021-11-22 23:19:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-22 23:19:42,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:42,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:42,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-22 23:19:42,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 26797 backedges. 1 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:44,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 246 states and 255 transitions. [2021-11-22 23:19:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 255 transitions. [2021-11-22 23:19:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-22 23:19:44,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:44,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:45,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 1464 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-22 23:19:45,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 27029 backedges. 1 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:47,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:47,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 247 states and 256 transitions. [2021-11-22 23:19:47,455 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 256 transitions. [2021-11-22 23:19:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-22 23:19:47,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:47,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:47,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-22 23:19:47,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 27262 backedges. 1 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:49,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 248 states and 257 transitions. [2021-11-22 23:19:49,803 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 257 transitions. [2021-11-22 23:19:49,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-22 23:19:49,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-22 23:19:50,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 27496 backedges. 1 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 249 states and 258 transitions. [2021-11-22 23:19:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 258 transitions. [2021-11-22 23:19:52,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-22 23:19:52,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:52,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:52,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-22 23:19:52,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 27731 backedges. 1 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:54,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 250 states and 259 transitions. [2021-11-22 23:19:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 259 transitions. [2021-11-22 23:19:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-22 23:19:54,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:54,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:55,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-22 23:19:55,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 27967 backedges. 1 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:57,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 251 states and 260 transitions. [2021-11-22 23:19:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 260 transitions. [2021-11-22 23:19:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-22 23:19:57,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:57,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:57,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 1494 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-22 23:19:57,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 28204 backedges. 1 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 252 states and 261 transitions. [2021-11-22 23:19:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 261 transitions. [2021-11-22 23:19:59,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-22 23:19:59,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:59,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:00,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-22 23:20:00,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:01,530 INFO L134 CoverageAnalysis]: Checked inductivity of 28442 backedges. 1 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 253 states and 262 transitions. [2021-11-22 23:20:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 262 transitions. [2021-11-22 23:20:02,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-22 23:20:02,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:02,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:02,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 1506 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-22 23:20:02,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 28681 backedges. 1 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:05,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 254 states and 263 transitions. [2021-11-22 23:20:05,052 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 263 transitions. [2021-11-22 23:20:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-22 23:20:05,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:05,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:05,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 1512 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-22 23:20:05,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 28921 backedges. 1 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:07,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 255 states and 264 transitions. [2021-11-22 23:20:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 264 transitions. [2021-11-22 23:20:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-22 23:20:07,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:07,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:07,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-22 23:20:07,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 29162 backedges. 1 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:09,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:09,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 256 states and 265 transitions. [2021-11-22 23:20:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 265 transitions. [2021-11-22 23:20:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-22 23:20:09,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:09,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:10,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-22 23:20:10,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 29404 backedges. 1 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:12,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:12,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 257 states and 266 transitions. [2021-11-22 23:20:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 266 transitions. [2021-11-22 23:20:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-22 23:20:12,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:12,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:12,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-22 23:20:13,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:14,253 INFO L134 CoverageAnalysis]: Checked inductivity of 29647 backedges. 1 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:15,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 258 states and 267 transitions. [2021-11-22 23:20:15,157 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 267 transitions. [2021-11-22 23:20:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-22 23:20:15,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:15,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:15,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1536 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-22 23:20:15,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:16,748 INFO L134 CoverageAnalysis]: Checked inductivity of 29891 backedges. 1 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 259 states and 268 transitions. [2021-11-22 23:20:17,649 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 268 transitions. [2021-11-22 23:20:17,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-22 23:20:17,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:17,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:17,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-22 23:20:17,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:19,361 INFO L134 CoverageAnalysis]: Checked inductivity of 30136 backedges. 1 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:20,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 260 states and 269 transitions. [2021-11-22 23:20:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 269 transitions. [2021-11-22 23:20:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-22 23:20:20,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:20,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:20,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 1548 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-22 23:20:20,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30382 backedges. 1 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 261 states and 270 transitions. [2021-11-22 23:20:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 270 transitions. [2021-11-22 23:20:22,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-22 23:20:22,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:22,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:23,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1554 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-22 23:20:23,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30629 backedges. 1 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 262 states and 271 transitions. [2021-11-22 23:20:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 271 transitions. [2021-11-22 23:20:25,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-22 23:20:25,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:25,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:25,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 1560 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-22 23:20:25,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 30877 backedges. 1 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 263 states and 272 transitions. [2021-11-22 23:20:27,827 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 272 transitions. [2021-11-22 23:20:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-22 23:20:27,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:27,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:28,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1566 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-22 23:20:28,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:29,744 INFO L134 CoverageAnalysis]: Checked inductivity of 31126 backedges. 1 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 264 states and 273 transitions. [2021-11-22 23:20:30,645 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 273 transitions. [2021-11-22 23:20:30,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-22 23:20:30,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-22 23:20:30,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 31376 backedges. 1 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 265 states and 274 transitions. [2021-11-22 23:20:33,127 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 274 transitions. [2021-11-22 23:20:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-22 23:20:33,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,824 INFO L134 CoverageAnalysis]: Checked inductivity of 31627 backedges. 1 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:35,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 266 states and 275 transitions. [2021-11-22 23:20:35,784 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 275 transitions. [2021-11-22 23:20:35,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-22 23:20:35,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,615 INFO L134 CoverageAnalysis]: Checked inductivity of 31879 backedges. 1 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:38,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 267 states and 276 transitions. [2021-11-22 23:20:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 276 transitions. [2021-11-22 23:20:38,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-22 23:20:38,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 32132 backedges. 1 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 268 states and 277 transitions. [2021-11-22 23:20:41,269 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 277 transitions. [2021-11-22 23:20:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-22 23:20:41,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 32386 backedges. 1 proven. 32385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 269 states and 278 transitions. [2021-11-22 23:20:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 278 transitions. [2021-11-22 23:20:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-22 23:20:43,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 32641 backedges. 1 proven. 32640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:46,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 270 states and 279 transitions. [2021-11-22 23:20:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 279 transitions. [2021-11-22 23:20:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-22 23:20:46,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1608 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 32897 backedges. 1 proven. 32896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:49,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 271 states and 280 transitions. [2021-11-22 23:20:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 280 transitions. [2021-11-22 23:20:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-22 23:20:49,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 1614 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 33154 backedges. 1 proven. 33153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:52,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 272 states and 281 transitions. [2021-11-22 23:20:52,304 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 281 transitions. [2021-11-22 23:20:52,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-22 23:20:52,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 1620 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 33412 backedges. 1 proven. 33411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 273 states and 282 transitions. [2021-11-22 23:20:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 282 transitions. [2021-11-22 23:20:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-22 23:20:55,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 1626 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 33671 backedges. 1 proven. 33670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 274 states and 283 transitions. [2021-11-22 23:20:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 283 transitions. [2021-11-22 23:20:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-22 23:20:58,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 1632 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 33931 backedges. 1 proven. 33930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 275 states and 284 transitions. [2021-11-22 23:21:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 284 transitions. [2021-11-22 23:21:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-22 23:21:00,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 1638 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 34192 backedges. 1 proven. 34191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 276 states and 285 transitions. [2021-11-22 23:21:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 285 transitions. [2021-11-22 23:21:03,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-22 23:21:03,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 34454 backedges. 1 proven. 34453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 277 states and 286 transitions. [2021-11-22 23:21:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 286 transitions. [2021-11-22 23:21:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-22 23:21:06,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:06,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:07,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 1650 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-22 23:21:07,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:08,420 INFO L134 CoverageAnalysis]: Checked inductivity of 34717 backedges. 1 proven. 34716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 278 states and 287 transitions. [2021-11-22 23:21:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 287 transitions. [2021-11-22 23:21:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-22 23:21:09,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:09,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:09,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-22 23:21:09,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 34981 backedges. 1 proven. 34980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 279 states and 288 transitions. [2021-11-22 23:21:12,225 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 288 transitions. [2021-11-22 23:21:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-22 23:21:12,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:12,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1662 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-22 23:21:12,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 35246 backedges. 1 proven. 35245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:15,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 280 states and 289 transitions. [2021-11-22 23:21:15,370 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 289 transitions. [2021-11-22 23:21:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-22 23:21:15,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:15,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:15,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 1668 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-22 23:21:15,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 35512 backedges. 1 proven. 35511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 281 states and 290 transitions. [2021-11-22 23:21:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 290 transitions. [2021-11-22 23:21:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-22 23:21:18,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:18,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:18,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1674 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-22 23:21:18,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 35779 backedges. 1 proven. 35778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 282 states and 291 transitions. [2021-11-22 23:21:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 291 transitions. [2021-11-22 23:21:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-22 23:21:20,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:21,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 1680 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-22 23:21:21,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 36047 backedges. 1 proven. 36046 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:24,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:24,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 283 states and 292 transitions. [2021-11-22 23:21:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 292 transitions. [2021-11-22 23:21:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-22 23:21:24,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:24,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:24,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1686 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-22 23:21:24,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 36316 backedges. 1 proven. 36315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 284 states and 293 transitions. [2021-11-22 23:21:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 293 transitions. [2021-11-22 23:21:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-22 23:21:26,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:26,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:27,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1692 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-22 23:21:27,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 36586 backedges. 1 proven. 36585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 285 states and 294 transitions. [2021-11-22 23:21:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 294 transitions. [2021-11-22 23:21:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-22 23:21:29,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:29,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:30,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1698 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-22 23:21:30,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:31,785 INFO L134 CoverageAnalysis]: Checked inductivity of 36857 backedges. 1 proven. 36856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 286 states and 295 transitions. [2021-11-22 23:21:32,849 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 295 transitions. [2021-11-22 23:21:32,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-22 23:21:32,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:32,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1704 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-22 23:21:33,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 37129 backedges. 1 proven. 37128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 287 states and 296 transitions. [2021-11-22 23:21:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 296 transitions. [2021-11-22 23:21:35,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-22 23:21:35,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:36,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 1710 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-22 23:21:36,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 37402 backedges. 1 proven. 37401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:38,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 288 states and 297 transitions. [2021-11-22 23:21:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2021-11-22 23:21:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-22 23:21:38,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:39,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-22 23:21:39,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 37676 backedges. 1 proven. 37675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 289 states and 298 transitions. [2021-11-22 23:21:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 298 transitions. [2021-11-22 23:21:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-22 23:21:41,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:41,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:42,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-22 23:21:42,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 37951 backedges. 1 proven. 37950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:44,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:44,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 290 states and 299 transitions. [2021-11-22 23:21:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 299 transitions. [2021-11-22 23:21:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-22 23:21:44,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:44,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:45,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 1728 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-22 23:21:45,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 38227 backedges. 1 proven. 38226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 291 states and 300 transitions. [2021-11-22 23:21:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 300 transitions. [2021-11-22 23:21:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-22 23:21:47,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:47,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:48,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 1734 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-22 23:21:48,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 38504 backedges. 1 proven. 38503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 292 states and 301 transitions. [2021-11-22 23:21:50,989 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 301 transitions. [2021-11-22 23:21:50,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-22 23:21:50,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:50,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:51,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1740 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-22 23:21:51,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 38782 backedges. 1 proven. 38781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:54,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:54,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 293 states and 302 transitions. [2021-11-22 23:21:54,013 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 302 transitions. [2021-11-22 23:21:54,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-22 23:21:54,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:54,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:54,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 1746 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-22 23:21:54,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 39061 backedges. 1 proven. 39060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 294 states and 303 transitions. [2021-11-22 23:21:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 303 transitions. [2021-11-22 23:21:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-22 23:21:57,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:57,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:57,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1752 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-22 23:21:57,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 39341 backedges. 1 proven. 39340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:00,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 295 states and 304 transitions. [2021-11-22 23:22:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 304 transitions. [2021-11-22 23:22:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-22 23:22:00,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:00,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:00,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-22 23:22:00,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 39622 backedges. 1 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 296 states and 305 transitions. [2021-11-22 23:22:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 305 transitions. [2021-11-22 23:22:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-22 23:22:03,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:03,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:03,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 1764 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-22 23:22:03,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:05,194 INFO L134 CoverageAnalysis]: Checked inductivity of 39904 backedges. 1 proven. 39903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:06,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 297 states and 306 transitions. [2021-11-22 23:22:06,319 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 306 transitions. [2021-11-22 23:22:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-22 23:22:06,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:06,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:06,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 1770 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-22 23:22:06,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 40187 backedges. 1 proven. 40186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 298 states and 307 transitions. [2021-11-22 23:22:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 307 transitions. [2021-11-22 23:22:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-22 23:22:09,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:09,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:09,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-22 23:22:09,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 40471 backedges. 1 proven. 40470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 299 states and 308 transitions. [2021-11-22 23:22:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 308 transitions. [2021-11-22 23:22:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-22 23:22:12,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:12,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:13,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 1782 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-22 23:22:13,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 40756 backedges. 1 proven. 40755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 300 states and 309 transitions. [2021-11-22 23:22:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 309 transitions. [2021-11-22 23:22:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-22 23:22:16,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:16,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:16,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1788 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-22 23:22:16,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 41042 backedges. 1 proven. 41041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:19,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:19,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 301 states and 310 transitions. [2021-11-22 23:22:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 310 transitions. [2021-11-22 23:22:19,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-22 23:22:19,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:19,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:19,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-22 23:22:19,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 41329 backedges. 1 proven. 41328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 302 states and 311 transitions. [2021-11-22 23:22:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 311 transitions. [2021-11-22 23:22:22,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-22 23:22:22,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:22,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:22,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-22 23:22:22,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 41617 backedges. 1 proven. 41616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:25,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 303 states and 312 transitions. [2021-11-22 23:22:25,543 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 312 transitions. [2021-11-22 23:22:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-22 23:22:25,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:25,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:25,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1806 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-22 23:22:25,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 41906 backedges. 1 proven. 41905 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:28,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 304 states and 313 transitions. [2021-11-22 23:22:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 313 transitions. [2021-11-22 23:22:28,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-22 23:22:28,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:28,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:29,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 1812 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-22 23:22:29,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 42196 backedges. 1 proven. 42195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 305 states and 314 transitions. [2021-11-22 23:22:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 314 transitions. [2021-11-22 23:22:31,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-22 23:22:31,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:31,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:32,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1818 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-22 23:22:32,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42487 backedges. 1 proven. 42486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:34,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:34,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 306 states and 315 transitions. [2021-11-22 23:22:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 315 transitions. [2021-11-22 23:22:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-22 23:22:34,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:34,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:35,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-22 23:22:35,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 42779 backedges. 1 proven. 42778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:37,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:37,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 307 states and 316 transitions. [2021-11-22 23:22:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 316 transitions. [2021-11-22 23:22:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-22 23:22:37,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:37,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:38,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 1830 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-22 23:22:38,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 43072 backedges. 1 proven. 43071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:41,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 308 states and 317 transitions. [2021-11-22 23:22:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 317 transitions. [2021-11-22 23:22:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-22 23:22:41,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:41,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:41,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 1836 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-22 23:22:41,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 43366 backedges. 1 proven. 43365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 309 states and 318 transitions. [2021-11-22 23:22:43,946 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 318 transitions. [2021-11-22 23:22:43,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-22 23:22:43,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:43,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:44,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 1842 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-22 23:22:44,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 43661 backedges. 1 proven. 43660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:47,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 310 states and 319 transitions. [2021-11-22 23:22:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 319 transitions. [2021-11-22 23:22:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-22 23:22:47,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:47,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:47,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 1848 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-22 23:22:47,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 43957 backedges. 1 proven. 43956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:50,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 311 states and 320 transitions. [2021-11-22 23:22:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 320 transitions. [2021-11-22 23:22:50,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-22 23:22:50,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:50,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:50,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 1854 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-22 23:22:50,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 44254 backedges. 1 proven. 44253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 312 states and 321 transitions. [2021-11-22 23:22:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 321 transitions. [2021-11-22 23:22:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-22 23:22:53,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:53,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:53,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1860 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-22 23:22:53,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 44552 backedges. 1 proven. 44551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 313 states and 322 transitions. [2021-11-22 23:22:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 322 transitions. [2021-11-22 23:22:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-22 23:22:56,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:56,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1866 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-22 23:22:56,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 44851 backedges. 1 proven. 44850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:59,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 314 states and 323 transitions. [2021-11-22 23:22:59,633 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 323 transitions. [2021-11-22 23:22:59,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-22 23:22:59,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:59,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:59,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 1872 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-22 23:22:59,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 45151 backedges. 1 proven. 45150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 315 states and 324 transitions. [2021-11-22 23:23:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 324 transitions. [2021-11-22 23:23:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-22 23:23:02,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:02,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:03,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-22 23:23:03,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 45452 backedges. 1 proven. 45451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:05,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:05,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 316 states and 325 transitions. [2021-11-22 23:23:05,854 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 325 transitions. [2021-11-22 23:23:05,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-22 23:23:05,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:05,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:06,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 1884 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-22 23:23:06,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 45754 backedges. 1 proven. 45753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 317 states and 326 transitions. [2021-11-22 23:23:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 326 transitions. [2021-11-22 23:23:09,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-22 23:23:09,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:09,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:09,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 1890 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-22 23:23:09,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 46057 backedges. 1 proven. 46056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:12,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 318 states and 327 transitions. [2021-11-22 23:23:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 327 transitions. [2021-11-22 23:23:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-22 23:23:12,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:12,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:12,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1896 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-22 23:23:12,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 46361 backedges. 1 proven. 46360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 319 states and 328 transitions. [2021-11-22 23:23:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 328 transitions. [2021-11-22 23:23:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-22 23:23:15,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:15,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:15,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 1902 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-22 23:23:15,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 46666 backedges. 1 proven. 46665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 320 states and 329 transitions. [2021-11-22 23:23:18,493 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 329 transitions. [2021-11-22 23:23:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-22 23:23:18,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:18,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:18,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1908 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-22 23:23:18,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 46972 backedges. 1 proven. 46971 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 321 states and 330 transitions. [2021-11-22 23:23:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 330 transitions. [2021-11-22 23:23:21,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-22 23:23:21,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:21,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:21,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1914 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-22 23:23:21,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 47279 backedges. 1 proven. 47278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 322 states and 331 transitions. [2021-11-22 23:23:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 331 transitions. [2021-11-22 23:23:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-22 23:23:24,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:24,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:25,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 1920 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-22 23:23:25,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 47587 backedges. 1 proven. 47586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 323 states and 332 transitions. [2021-11-22 23:23:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 332 transitions. [2021-11-22 23:23:28,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-22 23:23:28,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:28,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:28,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 1926 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-22 23:23:28,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 47896 backedges. 1 proven. 47895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:31,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 324 states and 333 transitions. [2021-11-22 23:23:31,934 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 333 transitions. [2021-11-22 23:23:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-22 23:23:31,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:31,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:32,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 1932 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-22 23:23:32,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 48206 backedges. 1 proven. 48205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:35,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 325 states and 334 transitions. [2021-11-22 23:23:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 334 transitions. [2021-11-22 23:23:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-22 23:23:35,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:35,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:35,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1938 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-22 23:23:35,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:37,605 INFO L134 CoverageAnalysis]: Checked inductivity of 48517 backedges. 1 proven. 48516 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:38,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:38,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 326 states and 335 transitions. [2021-11-22 23:23:38,899 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 335 transitions. [2021-11-22 23:23:38,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-22 23:23:38,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:38,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:39,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 1944 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-22 23:23:39,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 48829 backedges. 1 proven. 48828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:42,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 327 states and 336 transitions. [2021-11-22 23:23:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 336 transitions. [2021-11-22 23:23:42,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-22 23:23:42,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:42,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:43,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 1950 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-22 23:23:43,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 49142 backedges. 1 proven. 49141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 328 states and 337 transitions. [2021-11-22 23:23:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 337 transitions. [2021-11-22 23:23:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-22 23:23:46,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:46,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:46,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 1956 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-22 23:23:46,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 49456 backedges. 1 proven. 49455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 329 states and 338 transitions. [2021-11-22 23:23:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 338 transitions. [2021-11-22 23:23:49,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-22 23:23:49,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:49,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:50,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 1962 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-22 23:23:50,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:51,951 INFO L134 CoverageAnalysis]: Checked inductivity of 49771 backedges. 1 proven. 49770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 330 states and 339 transitions. [2021-11-22 23:23:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 339 transitions. [2021-11-22 23:23:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-22 23:23:53,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:53,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:53,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 1968 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-22 23:23:53,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 50087 backedges. 1 proven. 50086 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 331 states and 340 transitions. [2021-11-22 23:23:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 340 transitions. [2021-11-22 23:23:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-22 23:23:57,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:57,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:57,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1974 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-22 23:23:57,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 50404 backedges. 1 proven. 50403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:00,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 332 states and 341 transitions. [2021-11-22 23:24:00,645 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 341 transitions. [2021-11-22 23:24:00,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-22 23:24:00,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:00,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:00,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1980 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-22 23:24:00,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 50722 backedges. 1 proven. 50721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:04,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 333 states and 342 transitions. [2021-11-22 23:24:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 342 transitions. [2021-11-22 23:24:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-22 23:24:04,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:04,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:04,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-22 23:24:04,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:06,706 INFO L134 CoverageAnalysis]: Checked inductivity of 51041 backedges. 1 proven. 51040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:08,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 334 states and 343 transitions. [2021-11-22 23:24:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 343 transitions. [2021-11-22 23:24:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-22 23:24:08,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:08,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:08,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 1992 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-22 23:24:08,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 51361 backedges. 1 proven. 51360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:11,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 335 states and 344 transitions. [2021-11-22 23:24:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 344 transitions. [2021-11-22 23:24:11,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-22 23:24:11,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:11,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:11,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 1998 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-22 23:24:11,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 51682 backedges. 1 proven. 51681 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 336 states and 345 transitions. [2021-11-22 23:24:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 345 transitions. [2021-11-22 23:24:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-22 23:24:15,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:15,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:15,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 2004 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-22 23:24:15,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:17,227 INFO L134 CoverageAnalysis]: Checked inductivity of 52004 backedges. 1 proven. 52003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 337 states and 346 transitions. [2021-11-22 23:24:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 346 transitions. [2021-11-22 23:24:18,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-22 23:24:18,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:18,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:18,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-22 23:24:18,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 52327 backedges. 1 proven. 52326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 338 states and 347 transitions. [2021-11-22 23:24:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 347 transitions. [2021-11-22 23:24:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-22 23:24:22,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:22,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:22,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 2016 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-22 23:24:22,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 52651 backedges. 1 proven. 52650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:25,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 339 states and 348 transitions. [2021-11-22 23:24:25,531 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 348 transitions. [2021-11-22 23:24:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-22 23:24:25,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:25,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:25,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 2022 conjuncts, 328 conjunts are in the unsatisfiable core [2021-11-22 23:24:25,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:28,081 INFO L134 CoverageAnalysis]: Checked inductivity of 52976 backedges. 1 proven. 52975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:29,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 340 states and 349 transitions. [2021-11-22 23:24:29,622 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 349 transitions. [2021-11-22 23:24:29,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-22 23:24:29,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:29,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:29,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 2028 conjuncts, 329 conjunts are in the unsatisfiable core [2021-11-22 23:24:29,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 53302 backedges. 1 proven. 53301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 341 states and 350 transitions. [2021-11-22 23:24:33,673 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 350 transitions. [2021-11-22 23:24:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-22 23:24:33,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:33,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:34,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 2034 conjuncts, 330 conjunts are in the unsatisfiable core [2021-11-22 23:24:34,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 53629 backedges. 1 proven. 53628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:37,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:37,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 342 states and 351 transitions. [2021-11-22 23:24:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 351 transitions. [2021-11-22 23:24:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-22 23:24:37,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:37,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:38,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 331 conjunts are in the unsatisfiable core [2021-11-22 23:24:38,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 53957 backedges. 1 proven. 53956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:41,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 343 states and 352 transitions. [2021-11-22 23:24:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 352 transitions. [2021-11-22 23:24:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-22 23:24:41,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:41,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:42,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 332 conjunts are in the unsatisfiable core [2021-11-22 23:24:42,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 54286 backedges. 1 proven. 54285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 344 states and 353 transitions. [2021-11-22 23:24:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 353 transitions. [2021-11-22 23:24:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-22 23:24:46,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 2052 conjuncts, 333 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 54616 backedges. 1 proven. 54615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 345 states and 354 transitions. [2021-11-22 23:24:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 354 transitions. [2021-11-22 23:24:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-22 23:24:50,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 334 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 54947 backedges. 1 proven. 54946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 346 states and 355 transitions. [2021-11-22 23:24:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 355 transitions. [2021-11-22 23:24:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-22 23:24:54,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 335 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 55279 backedges. 1 proven. 55278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 347 states and 356 transitions. [2021-11-22 23:24:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 356 transitions. [2021-11-22 23:24:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-22 23:24:58,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 336 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 55612 backedges. 1 proven. 55611 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 348 states and 357 transitions. [2021-11-22 23:25:02,785 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 357 transitions. [2021-11-22 23:25:02,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-22 23:25:02,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 337 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 55946 backedges. 1 proven. 55945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 349 states and 358 transitions. [2021-11-22 23:25:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 358 transitions. [2021-11-22 23:25:07,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-22 23:25:07,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 338 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,240 INFO L134 CoverageAnalysis]: Checked inductivity of 56281 backedges. 1 proven. 56280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 350 states and 359 transitions. [2021-11-22 23:25:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 359 transitions. [2021-11-22 23:25:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-22 23:25:12,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 339 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 56617 backedges. 1 proven. 56616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 351 states and 360 transitions. [2021-11-22 23:25:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 360 transitions. [2021-11-22 23:25:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-22 23:25:16,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 2094 conjuncts, 340 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 56954 backedges. 1 proven. 56953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 352 states and 361 transitions. [2021-11-22 23:25:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 361 transitions. [2021-11-22 23:25:21,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-22 23:25:21,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 2100 conjuncts, 341 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 57292 backedges. 1 proven. 57291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 353 states and 362 transitions. [2021-11-22 23:25:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 362 transitions. [2021-11-22 23:25:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-22 23:25:25,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 2106 conjuncts, 342 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 57631 backedges. 1 proven. 57630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:30,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 354 states and 363 transitions. [2021-11-22 23:25:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 363 transitions. [2021-11-22 23:25:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-22 23:25:30,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 2112 conjuncts, 343 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 57971 backedges. 1 proven. 57970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:34,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:34,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 355 states and 364 transitions. [2021-11-22 23:25:34,628 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 364 transitions. [2021-11-22 23:25:34,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-22 23:25:34,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:34,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:34,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 2118 conjuncts, 344 conjunts are in the unsatisfiable core [2021-11-22 23:25:34,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 58312 backedges. 1 proven. 58311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:39,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 356 states and 365 transitions. [2021-11-22 23:25:39,331 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 365 transitions. [2021-11-22 23:25:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-22 23:25:39,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:39,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:39,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 2124 conjuncts, 345 conjunts are in the unsatisfiable core [2021-11-22 23:25:39,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 58654 backedges. 1 proven. 58653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 357 states and 366 transitions. [2021-11-22 23:25:43,757 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 366 transitions. [2021-11-22 23:25:43,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-22 23:25:43,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:44,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 2130 conjuncts, 346 conjunts are in the unsatisfiable core [2021-11-22 23:25:44,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 58997 backedges. 1 proven. 58996 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:48,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 358 states and 367 transitions. [2021-11-22 23:25:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 367 transitions. [2021-11-22 23:25:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-22 23:25:48,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:48,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:48,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 2136 conjuncts, 347 conjunts are in the unsatisfiable core [2021-11-22 23:25:48,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 59341 backedges. 1 proven. 59340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:52,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 359 states and 368 transitions. [2021-11-22 23:25:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 368 transitions. [2021-11-22 23:25:52,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-22 23:25:52,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:52,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:52,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 2142 conjuncts, 348 conjunts are in the unsatisfiable core [2021-11-22 23:25:52,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 59686 backedges. 1 proven. 59685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:57,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 360 states and 369 transitions. [2021-11-22 23:25:57,288 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 369 transitions. [2021-11-22 23:25:57,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-22 23:25:57,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:57,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:57,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 349 conjunts are in the unsatisfiable core [2021-11-22 23:25:57,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:59,909 INFO L134 CoverageAnalysis]: Checked inductivity of 60032 backedges. 1 proven. 60031 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:01,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 361 states and 370 transitions. [2021-11-22 23:26:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 370 transitions. [2021-11-22 23:26:01,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-22 23:26:01,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:01,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:01,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 2154 conjuncts, 350 conjunts are in the unsatisfiable core [2021-11-22 23:26:01,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 60379 backedges. 1 proven. 60378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:06,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 362 states and 371 transitions. [2021-11-22 23:26:06,294 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 371 transitions. [2021-11-22 23:26:06,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-22 23:26:06,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:06,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:06,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 2160 conjuncts, 351 conjunts are in the unsatisfiable core [2021-11-22 23:26:06,675 INFO L286 TraceCheckSpWp]: Computing forward predicates...