./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/max20-1.i --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_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/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_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/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_cfcc811e-3046-44b6-be04-16e8e37714e2/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 da9ac0c3f4abc9a6d9e8b4bf1276cf60fb65e65c55d9f94968d51682bf71ef87 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:28:10,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:28:10,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:28:10,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:28:10,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:28:10,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:28:10,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:28:10,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:28:10,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:28:10,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:28:10,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:28:10,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:28:10,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:28:10,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:28:10,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:28:10,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:28:10,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:28:10,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:28:10,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:28:10,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:28:10,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:28:10,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:28:10,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:28:10,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:28:10,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:28:10,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:28:10,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:28:10,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:28:10,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:28:10,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:28:10,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:28:10,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:28:10,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:28:10,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:28:10,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:28:10,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:28:10,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:28:10,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:28:10,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:28:10,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:28:10,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:28:10,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:28:10,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:28:10,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:28:10,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:28:10,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:28:10,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:28:10,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:28:10,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:28:10,875 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:28:10,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:28:10,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:28:10,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:28:10,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:28:10,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:28:10,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:28:10,878 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:28:10,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:28:10,879 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:28:10,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:28:10,880 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:28:10,880 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:28:10,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:28:10,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:10,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:28:10,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:28:10,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:28:10,882 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:28:10,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:28:10,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:28:10,883 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_cfcc811e-3046-44b6-be04-16e8e37714e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da9ac0c3f4abc9a6d9e8b4bf1276cf60fb65e65c55d9f94968d51682bf71ef87 [2021-11-23 01:28:11,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:28:11,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:28:11,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:28:11,250 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:28:11,253 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:28:11,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/reducercommutativity/max20-1.i [2021-11-23 01:28:11,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/data/ac8bc646b/4c5098e60d704ca49da0c452fa1ac5d1/FLAGf58dee0fb [2021-11-23 01:28:12,007 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:28:12,016 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/sv-benchmarks/c/reducercommutativity/max20-1.i [2021-11-23 01:28:12,025 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/data/ac8bc646b/4c5098e60d704ca49da0c452fa1ac5d1/FLAGf58dee0fb [2021-11-23 01:28:12,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/data/ac8bc646b/4c5098e60d704ca49da0c452fa1ac5d1 [2021-11-23 01:28:12,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:28:12,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:28:12,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:12,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:28:12,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:28:12,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c0f588a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12, skipping insertion in model container [2021-11-23 01:28:12,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:28:12,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:28:12,589 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_cfcc811e-3046-44b6-be04-16e8e37714e2/sv-benchmarks/c/reducercommutativity/max20-1.i[1290,1303] [2021-11-23 01:28:12,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:12,610 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:28:12,640 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_cfcc811e-3046-44b6-be04-16e8e37714e2/sv-benchmarks/c/reducercommutativity/max20-1.i[1290,1303] [2021-11-23 01:28:12,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:12,660 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:28:12,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12 WrapperNode [2021-11-23 01:28:12,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:12,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:12,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:28:12,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:28:12,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,704 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2021-11-23 01:28:12,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:12,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:28:12,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:28:12,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:28:12,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:28:12,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:28:12,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:28:12,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:28:12,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2021-11-23 01:28:12,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:12,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:28:12,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:28:12,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfcc811e-3046-44b6-be04-16e8e37714e2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:28:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:28:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure max [2021-11-23 01:28:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2021-11-23 01:28:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:28:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:28:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:28:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:28:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:28:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:28:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:28:12,958 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:28:12,961 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:28:13,123 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:28:13,182 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:28:13,182 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:28:13,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:13 BoogieIcfgContainer [2021-11-23 01:28:13,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:28:13,187 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:28:13,188 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:28:13,202 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:28:13,203 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:13" (1/1) ... [2021-11-23 01:28:13,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:28:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:13,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-23 01:28:13,292 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-23 01:28:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:28:13,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:13,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:28:13,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:13,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-23 01:28:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-23 01:28:13,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:13,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:13,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:28:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-23 01:28:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-23 01:28:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:28:13,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:13,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,058 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 01:28:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 01:28:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 01:28:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:28:14,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,235 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:28:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 01:28:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 01:28:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:28:14,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:14,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-23 01:28:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-23 01:28:14,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:28:14,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-23 01:28:14,652 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-23 01:28:14,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:28:14,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-23 01:28:14,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-23 01:28:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:14,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:15,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-23 01:28:15,124 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-23 01:28:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:28:15,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:15,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:15,232 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:15,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-11-23 01:28:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-23 01:28:15,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:28:15,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:15,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-23 01:28:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-23 01:28:15,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:28:15,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:15,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:15,779 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:15,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-23 01:28:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-23 01:28:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:28:15,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:15,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:16,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2021-11-23 01:28:16,130 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-11-23 01:28:16,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:28:16,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:16,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:16,274 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:16,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2021-11-23 01:28:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-11-23 01:28:16,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:28:16,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:16,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:16,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:16,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2021-11-23 01:28:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2021-11-23 01:28:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:28:16,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:16,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:16,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2021-11-23 01:28:16,904 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2021-11-23 01:28:16,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:28:16,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:16,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:17,047 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:17,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2021-11-23 01:28:17,175 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2021-11-23 01:28:17,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:28:17,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:17,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2021-11-23 01:28:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2021-11-23 01:28:17,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:28:17,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:17,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2021-11-23 01:28:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2021-11-23 01:28:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:28:17,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:17,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2021-11-23 01:28:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-11-23 01:28:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:28:17,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:17,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:18,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:18,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2021-11-23 01:28:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2021-11-23 01:28:18,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:28:18,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:18,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2021-11-23 01:28:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2021-11-23 01:28:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:28:18,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:18,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2021-11-23 01:28:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-11-23 01:28:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:28:18,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:18,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:18,917 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2021-11-23 01:28:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2021-11-23 01:28:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:28:19,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:19,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:28:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:19,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2021-11-23 01:28:19,424 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2021-11-23 01:28:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:28:19,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:19,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-11-23 01:28:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2021-11-23 01:28:19,725 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2021-11-23 01:28:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:28:19,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:19,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-11-23 01:28:20,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:20,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2021-11-23 01:28:20,034 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2021-11-23 01:28:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:28:20,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:20,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:20,163 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2021-11-23 01:28:20,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2021-11-23 01:28:20,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2021-11-23 01:28:20,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:28:20,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:20,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2021-11-23 01:28:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2021-11-23 01:28:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2021-11-23 01:28:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:28:20,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:20,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:20,770 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-11-23 01:28:20,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2021-11-23 01:28:20,958 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2021-11-23 01:28:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:28:20,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:20,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2021-11-23 01:28:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2021-11-23 01:28:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2021-11-23 01:28:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:28:21,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:21,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2021-11-23 01:28:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:21,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2021-11-23 01:28:21,685 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2021-11-23 01:28:21,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:28:21,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:21,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:21,844 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-11-23 01:28:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2021-11-23 01:28:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2021-11-23 01:28:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:28:22,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:22,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 0 proven. 299 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2021-11-23 01:28:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2021-11-23 01:28:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2021-11-23 01:28:22,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:28:22,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:22,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 0 proven. 356 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2021-11-23 01:28:22,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:22,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2021-11-23 01:28:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-11-23 01:28:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:28:22,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:22,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2021-11-23 01:28:23,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:23,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-11-23 01:28:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-11-23 01:28:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:28:23,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:23,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:23,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2021-11-23 01:28:23,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:23,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-11-23 01:28:23,600 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-23 01:28:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:28:23,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:23,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 0 proven. 557 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2021-11-23 01:28:24,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:24,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 54 states and 63 transitions. [2021-11-23 01:28:24,071 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2021-11-23 01:28:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:28:24,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:24,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 0 proven. 634 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2021-11-23 01:28:24,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:24,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2021-11-23 01:28:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-11-23 01:28:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:28:24,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:24,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 0 proven. 716 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2021-11-23 01:28:24,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2021-11-23 01:28:24,914 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2021-11-23 01:28:24,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:28:24,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:24,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 0 proven. 803 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2021-11-23 01:28:25,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:25,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2021-11-23 01:28:25,374 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2021-11-23 01:28:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 01:28:25,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:25,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 0 proven. 895 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2021-11-23 01:28:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 58 states and 67 transitions. [2021-11-23 01:28:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2021-11-23 01:28:25,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:28:25,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:25,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:26,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1989 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 997 trivial. 0 not checked. [2021-11-23 01:28:26,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2021-11-23 01:28:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2021-11-23 01:28:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:28:26,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:26,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-11-23 01:28:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-11-23 01:28:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:28:26,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:26,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2175 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:27,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:27,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-11-23 01:28:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-11-23 01:28:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 01:28:27,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:27,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2179 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:27,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:27,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2021-11-23 01:28:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-11-23 01:28:27,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:28:27,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:27,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2184 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:28,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:28,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-11-23 01:28:28,324 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-11-23 01:28:28,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:28:28,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:28,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2190 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:28,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:28,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-11-23 01:28:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-11-23 01:28:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 01:28:28,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:28,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:29,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2197 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2021-11-23 01:28:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2021-11-23 01:28:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:28:29,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:29,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2205 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2021-11-23 01:28:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2021-11-23 01:28:29,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 01:28:29,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:29,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:30,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-11-23 01:28:30,364 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-11-23 01:28:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 01:28:30,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:30,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-11-23 01:28:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-11-23 01:28:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 01:28:30,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:30,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2021-11-23 01:28:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2021-11-23 01:28:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 01:28:31,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:31,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:31,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2021-11-23 01:28:31,965 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2021-11-23 01:28:31,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:28:31,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:31,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2260 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:32,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2021-11-23 01:28:32,458 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2021-11-23 01:28:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 01:28:32,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:32,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2274 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:33,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2021-11-23 01:28:33,087 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2021-11-23 01:28:33,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:28:33,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:33,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2289 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2021-11-23 01:28:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2021-11-23 01:28:33,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 01:28:33,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:33,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:33,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2305 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2021-11-23 01:28:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2021-11-23 01:28:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 01:28:34,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:34,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2322 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2021-11-23 01:28:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2021-11-23 01:28:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:28:34,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:34,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2340 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2021-11-23 01:28:35,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 76 states and 83 transitions. [2021-11-23 01:28:35,226 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2021-11-23 01:28:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 01:28:35,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:35,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat