./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/mbpr5.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_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/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_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/mbpr5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/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_8ef50b46-65db-4a61-9c95-13522982df80/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 5503daab190ef8b57bdc3b49ed300bfd661cba05f76774439c2c92cf1668f08b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:12:12,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:12:12,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:12:12,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:12:12,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:12:12,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:12:12,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:12:12,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:12:12,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:12:12,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:12:12,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:12:12,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:12:12,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:12:12,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:12:12,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:12:12,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:12:12,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:12:12,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:12:12,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:12:12,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:12:12,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:12:12,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:12:12,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:12:12,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:12:12,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:12:12,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:12:12,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:12:12,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:12:12,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:12:12,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:12:12,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:12:12,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:12:12,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:12:12,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:12:12,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:12:12,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:12:12,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:12:12,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:12:12,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:12:12,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:12:12,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:12:12,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:12:12,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:12:12,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:12:12,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:12:12,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:12:12,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:12:12,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:12:12,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:12:12,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:12:12,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:12:12,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:12:12,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:12:12,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:12:12,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:12:12,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:12:12,917 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:12:12,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:12:12,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:12:12,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:12:12,918 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:12:12,918 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:12:12,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:12:12,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:12:12,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:12:12,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:12:12,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:12:12,920 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:12:12,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:12:12,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:12:12,920 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_8ef50b46-65db-4a61-9c95-13522982df80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5503daab190ef8b57bdc3b49ed300bfd661cba05f76774439c2c92cf1668f08b [2021-11-23 01:12:13,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:12:13,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:12:13,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:12:13,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:12:13,245 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:12:13,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-tiling/mbpr5.c [2021-11-23 01:12:13,324 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/data/85edf8b75/e0093234d0ba4ae0a25fb6851c29e37e/FLAG9f3243b3a [2021-11-23 01:12:13,864 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:12:13,864 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/sv-benchmarks/c/array-tiling/mbpr5.c [2021-11-23 01:12:13,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/data/85edf8b75/e0093234d0ba4ae0a25fb6851c29e37e/FLAG9f3243b3a [2021-11-23 01:12:14,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/data/85edf8b75/e0093234d0ba4ae0a25fb6851c29e37e [2021-11-23 01:12:14,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:12:14,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:12:14,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:12:14,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:12:14,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:12:14,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ac99f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14, skipping insertion in model container [2021-11-23 01:12:14,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:12:14,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:12:14,474 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_8ef50b46-65db-4a61-9c95-13522982df80/sv-benchmarks/c/array-tiling/mbpr5.c[396,409] [2021-11-23 01:12:14,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:12:14,528 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:12:14,539 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_8ef50b46-65db-4a61-9c95-13522982df80/sv-benchmarks/c/array-tiling/mbpr5.c[396,409] [2021-11-23 01:12:14,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:12:14,593 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:12:14,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14 WrapperNode [2021-11-23 01:12:14,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:12:14,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:12:14,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:12:14,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:12:14,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,656 INFO L137 Inliner]: procedures = 15, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 173 [2021-11-23 01:12:14,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:12:14,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:12:14,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:12:14,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:12:14,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:12:14,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:12:14,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:12:14,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:12:14,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:14" (1/1) ... [2021-11-23 01:12:14,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:12:14,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:12:14,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:12:14,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ef50b46-65db-4a61-9c95-13522982df80/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:12:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:12:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:12:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:12:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:12:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:12:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:12:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:12:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:12:14,868 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:12:14,870 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:12:15,130 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:12:15,310 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:12:15,310 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 01:12:15,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:15 BoogieIcfgContainer [2021-11-23 01:12:15,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:12:15,314 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:12:15,315 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:12:15,326 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:12:15,326 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:15" (1/1) ... [2021-11-23 01:12:15,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:12:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:12:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:12:15,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:12:15,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:15,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:15,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:15,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2021-11-23 01:12:15,892 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2021-11-23 01:12:15,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:12:15,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:15,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:16,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2021-11-23 01:12:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2021-11-23 01:12:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:12:16,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:16,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:16,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:16,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-11-23 01:12:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-11-23 01:12:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:12:16,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:16,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2021-11-23 01:12:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2021-11-23 01:12:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:12:17,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:17,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:12:17,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-11-23 01:12:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-11-23 01:12:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:12:17,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:17,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 33 states and 67 transitions. [2021-11-23 01:12:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 67 transitions. [2021-11-23 01:12:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:12:20,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:20,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,335 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:12:22,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 33 states and 66 transitions. [2021-11-23 01:12:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 66 transitions. [2021-11-23 01:12:22,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:12:22,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:22,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:12:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 38 states and 79 transitions. [2021-11-23 01:12:25,366 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 79 transitions. [2021-11-23 01:12:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:12:25,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:25,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:25,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:12:26,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:26,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 85 transitions. [2021-11-23 01:12:26,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 85 transitions. [2021-11-23 01:12:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:12:26,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:26,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:26,916 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:12:27,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:27,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 90 transitions. [2021-11-23 01:12:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 90 transitions. [2021-11-23 01:12:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:12:27,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:27,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:12:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2021-11-23 01:12:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2021-11-23 01:12:28,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:12:28,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:28,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:12:29,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:29,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2021-11-23 01:12:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2021-11-23 01:12:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:12:29,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:29,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:12:31,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:31,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 94 transitions. [2021-11-23 01:12:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2021-11-23 01:12:31,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:12:31,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:31,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:37,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 60 states and 120 transitions. [2021-11-23 01:12:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 120 transitions. [2021-11-23 01:12:37,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:12:37,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:37,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:12:39,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:39,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 121 transitions. [2021-11-23 01:12:39,440 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 121 transitions. [2021-11-23 01:12:39,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:12:39,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:39,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:12:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 63 states and 119 transitions. [2021-11-23 01:12:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 119 transitions. [2021-11-23 01:12:40,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:12:40,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:40,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:12:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2021-11-23 01:12:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2021-11-23 01:12:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:12:42,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:42,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:12:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 73 states and 138 transitions. [2021-11-23 01:12:46,346 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2021-11-23 01:12:46,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:12:46,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:46,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:12:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 65 states and 121 transitions. [2021-11-23 01:12:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 121 transitions. [2021-11-23 01:12:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:12:47,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:47,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:12:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 68 states and 125 transitions. [2021-11-23 01:12:49,995 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2021-11-23 01:12:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:12:49,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:49,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:52,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 72 states and 131 transitions. [2021-11-23 01:12:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 131 transitions. [2021-11-23 01:12:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:12:52,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:52,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:53,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 82 states and 152 transitions. [2021-11-23 01:13:01,094 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2021-11-23 01:13:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:01,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:01,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:13:01,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:01,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 83 states and 153 transitions. [2021-11-23 01:13:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 153 transitions. [2021-11-23 01:13:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:01,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:01,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:13:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:02,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 83 states and 150 transitions. [2021-11-23 01:13:02,691 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 150 transitions. [2021-11-23 01:13:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:13:02,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:02,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:03,004 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:13:03,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 77 states and 136 transitions. [2021-11-23 01:13:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 136 transitions. [2021-11-23 01:13:03,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:13:03,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:03,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:13:05,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:05,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 79 states and 139 transitions. [2021-11-23 01:13:05,488 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 139 transitions. [2021-11-23 01:13:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:13:05,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:05,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:14,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 86 states and 154 transitions. [2021-11-23 01:13:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 154 transitions. [2021-11-23 01:13:14,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:13:14,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:14,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:13:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 84 states and 149 transitions. [2021-11-23 01:13:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 149 transitions. [2021-11-23 01:13:17,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:13:17,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:17,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:13:29,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:29,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 96 states and 176 transitions. [2021-11-23 01:13:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 176 transitions. [2021-11-23 01:13:29,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:13:29,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:29,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:13:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 99 states and 183 transitions. [2021-11-23 01:13:32,964 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 183 transitions. [2021-11-23 01:13:32,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:13:32,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:32,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 106 states and 200 transitions. [2021-11-23 01:13:46,477 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 200 transitions. [2021-11-23 01:13:46,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:13:46,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:46,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:13:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 105 states and 196 transitions. [2021-11-23 01:13:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 196 transitions. [2021-11-23 01:13:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:13:51,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:51,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:14:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 107 states and 201 transitions. [2021-11-23 01:14:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 201 transitions. [2021-11-23 01:14:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:14:00,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:00,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:14:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 109 states and 202 transitions. [2021-11-23 01:14:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 202 transitions. [2021-11-23 01:14:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:14:07,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:07,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:14:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 123 states and 245 transitions. [2021-11-23 01:14:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 245 transitions. [2021-11-23 01:14:24,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:14:24,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:24,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:25,119 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:14:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:26,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 124 states and 250 transitions. [2021-11-23 01:14:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 250 transitions. [2021-11-23 01:14:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:14:26,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:26,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:14:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:31,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 129 states and 259 transitions. [2021-11-23 01:14:31,175 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 259 transitions. [2021-11-23 01:14:31,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:14:31,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:31,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:14:49,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:49,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 142 states and 289 transitions. [2021-11-23 01:14:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 289 transitions. [2021-11-23 01:14:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:14:49,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:49,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:50,006 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:14:51,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 138 states and 281 transitions. [2021-11-23 01:14:51,123 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 281 transitions. [2021-11-23 01:14:51,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:14:51,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:51,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:14:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 143 states and 290 transitions. [2021-11-23 01:14:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 290 transitions. [2021-11-23 01:14:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:14:57,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:57,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:14:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 144 states and 291 transitions. [2021-11-23 01:14:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 291 transitions. [2021-11-23 01:14:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:14:59,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:59,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:15:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 149 states and 297 transitions. [2021-11-23 01:15:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 297 transitions. [2021-11-23 01:15:05,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:15:05,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:05,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:15:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 152 states and 316 transitions. [2021-11-23 01:15:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 316 transitions. [2021-11-23 01:15:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:15,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:15,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:15:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:21,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 155 states and 320 transitions. [2021-11-23 01:15:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 320 transitions. [2021-11-23 01:15:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:21,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:21,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:15:23,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 156 states and 321 transitions. [2021-11-23 01:15:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 321 transitions. [2021-11-23 01:15:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:23,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:23,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:15:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:26,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 154 states and 317 transitions. [2021-11-23 01:15:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 317 transitions. [2021-11-23 01:15:26,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:26,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:26,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:15:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 167 states and 351 transitions. [2021-11-23 01:15:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 351 transitions. [2021-11-23 01:15:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:45,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:45,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:50,089 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 164 states and 340 transitions. [2021-11-23 01:15:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 340 transitions. [2021-11-23 01:15:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:55,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:55,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:16:33,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 182 states and 400 transitions. [2021-11-23 01:16:33,179 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 400 transitions. [2021-11-23 01:16:33,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:16:33,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:33,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:16:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:35,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 183 states and 405 transitions. [2021-11-23 01:16:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 405 transitions. [2021-11-23 01:16:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:16:35,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:35,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:16:42,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 185 states and 405 transitions. [2021-11-23 01:16:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 405 transitions. [2021-11-23 01:16:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:16:42,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:42,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:43,442 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:16:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 188 states and 410 transitions. [2021-11-23 01:16:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 410 transitions. [2021-11-23 01:16:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:16:50,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:50,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:54,260 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:17:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 195 states and 430 transitions. [2021-11-23 01:17:10,754 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 430 transitions. [2021-11-23 01:17:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:17:10,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:10,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-23 01:17:13,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:13,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 196 states and 431 transitions. [2021-11-23 01:17:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 431 transitions. [2021-11-23 01:17:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:17:13,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:13,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:17:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 201 states and 438 transitions. [2021-11-23 01:17:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 438 transitions. [2021-11-23 01:17:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:17:21,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:21,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:17:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 208 states and 448 transitions. [2021-11-23 01:17:32,095 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 448 transitions. [2021-11-23 01:17:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:17:32,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:32,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:17:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 212 states and 459 transitions. [2021-11-23 01:17:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 459 transitions. [2021-11-23 01:17:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:17:50,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:17:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 206 states and 447 transitions. [2021-11-23 01:17:55,978 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 447 transitions. [2021-11-23 01:17:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:17:55,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:17:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 207 states and 448 transitions. [2021-11-23 01:17:58,730 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 448 transitions. [2021-11-23 01:17:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:17:58,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:18:02,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 200 states and 433 transitions. [2021-11-23 01:18:02,398 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 433 transitions. [2021-11-23 01:18:02,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:18:02,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 207 states and 440 transitions. [2021-11-23 01:18:44,531 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 440 transitions. [2021-11-23 01:18:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:18:44,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:44,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:18:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 208 states and 442 transitions. [2021-11-23 01:18:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 442 transitions. [2021-11-23 01:18:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:18:47,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:47,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:18:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 209 states and 444 transitions. [2021-11-23 01:18:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 444 transitions. [2021-11-23 01:18:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:18:50,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:50,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:18:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 210 states and 449 transitions. [2021-11-23 01:18:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 449 transitions. [2021-11-23 01:18:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:18:53,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:53,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:19:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:04,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 211 states and 451 transitions. [2021-11-23 01:19:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 451 transitions. [2021-11-23 01:19:04,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:19:04,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:04,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:19:07,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 212 states and 452 transitions. [2021-11-23 01:19:07,089 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 452 transitions. [2021-11-23 01:19:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:19:07,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:07,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:19:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 213 states and 453 transitions. [2021-11-23 01:19:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 453 transitions. [2021-11-23 01:19:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:19:12,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:20,256 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:19:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 216 states and 458 transitions. [2021-11-23 01:19:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 458 transitions. [2021-11-23 01:19:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:19:35,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:35,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:19:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 219 states and 462 transitions. [2021-11-23 01:19:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 462 transitions. [2021-11-23 01:19:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:19:44,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:44,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:19:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 217 states and 458 transitions. [2021-11-23 01:19:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 458 transitions. [2021-11-23 01:19:49,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:19:49,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:19:53,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 215 states and 453 transitions. [2021-11-23 01:19:53,485 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 453 transitions. [2021-11-23 01:19:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:19:53,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:01,567 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 170 states and 313 transitions. [2021-11-23 01:20:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 313 transitions. [2021-11-23 01:20:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:20:08,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:08,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:20:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 171 states and 314 transitions. [2021-11-23 01:20:11,369 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 314 transitions. [2021-11-23 01:20:11,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:20:11,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:11,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:11,817 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:20:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 172 states and 316 transitions. [2021-11-23 01:20:21,040 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 316 transitions. [2021-11-23 01:20:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:20:21,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:21,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:37,994 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 189 states and 381 transitions. [2021-11-23 01:22:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 381 transitions. [2021-11-23 01:22:00,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:22:00,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:00,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:03,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 190 states and 386 transitions. [2021-11-23 01:22:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 386 transitions. [2021-11-23 01:22:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:22:03,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:03,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:22:16,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 191 states and 387 transitions. [2021-11-23 01:22:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 387 transitions. [2021-11-23 01:22:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:22:16,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:16,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:23:08,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 197 states and 395 transitions. [2021-11-23 01:23:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 395 transitions. [2021-11-23 01:23:08,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:23:08,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:08,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 58 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:23:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:18,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 198 states and 396 transitions. [2021-11-23 01:23:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 396 transitions. [2021-11-23 01:23:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:23:18,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:18,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 58 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:23:24,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:24,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 199 states and 396 transitions. [2021-11-23 01:23:24,173 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 396 transitions. [2021-11-23 01:23:24,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:23:24,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:24,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 01:23:37,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 200 states and 397 transitions. [2021-11-23 01:23:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 397 transitions. [2021-11-23 01:23:37,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:23:37,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:37,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:23:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 207 states and 403 transitions. [2021-11-23 01:23:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 403 transitions. [2021-11-23 01:23:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:23:56,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:56,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.