./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-sorted-2.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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-sorted-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/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 97c87a4be2f33468a224d89594f96c367f5837bb79771cd5155d22e1299d7831 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:25:21,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:25:21,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:25:21,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:25:21,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:25:21,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:25:21,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:25:21,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:25:21,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:25:21,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:25:21,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:25:21,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:25:21,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:25:21,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:25:21,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:25:21,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:25:21,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:25:21,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:25:21,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:25:21,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:25:21,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:25:21,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:25:21,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:25:21,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:25:21,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:25:21,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:25:21,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:25:21,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:25:21,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:25:21,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:25:21,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:25:21,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:25:21,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:25:21,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:25:21,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:25:21,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:25:21,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:25:21,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:25:21,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:25:21,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:25:21,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:25:21,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:25:21,884 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:25:21,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:25:21,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:25:21,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:25:21,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:25:21,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:25:21,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:25:21,888 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:25:21,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:25:21,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:25:21,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:25:21,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:25:21,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:25:21,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:25:21,890 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:25:21,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:25:21,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:25:21,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:25:21,891 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:25:21,891 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:25:21,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:25:21,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:25:21,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:25:21,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:25:21,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:25:21,893 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:25:21,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:25:21,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:25:21,894 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97c87a4be2f33468a224d89594f96c367f5837bb79771cd5155d22e1299d7831 [2021-11-23 01:25:22,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:25:22,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:25:22,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:25:22,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:25:22,211 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:25:22,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2021-11-23 01:25:22,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/data/f4d57b89f/33147f4ea6374e13b376ff34e22f35bc/FLAG2835a043a [2021-11-23 01:25:22,753 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:25:22,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2021-11-23 01:25:22,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/data/f4d57b89f/33147f4ea6374e13b376ff34e22f35bc/FLAG2835a043a [2021-11-23 01:25:23,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/data/f4d57b89f/33147f4ea6374e13b376ff34e22f35bc [2021-11-23 01:25:23,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:25:23,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:25:23,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:25:23,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:25:23,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:25:23,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67665d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23, skipping insertion in model container [2021-11-23 01:25:23,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:25:23,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:25:23,561 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22384,22397] [2021-11-23 01:25:23,570 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22614,22627] [2021-11-23 01:25:23,580 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22989,23002] [2021-11-23 01:25:23,581 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23053,23066] [2021-11-23 01:25:23,584 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23184,23197] [2021-11-23 01:25:23,586 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23248,23261] [2021-11-23 01:25:23,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:25:23,602 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:25:23,665 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22384,22397] [2021-11-23 01:25:23,668 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22614,22627] [2021-11-23 01:25:23,675 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22989,23002] [2021-11-23 01:25:23,680 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23053,23066] [2021-11-23 01:25:23,682 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23184,23197] [2021-11-23 01:25:23,683 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_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23248,23261] [2021-11-23 01:25:23,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:25:23,718 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:25:23,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23 WrapperNode [2021-11-23 01:25:23,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:25:23,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:25:23,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:25:23,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:25:23,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,784 INFO L137 Inliner]: procedures = 119, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 194 [2021-11-23 01:25:23,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:25:23,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:25:23,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:25:23,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:25:23,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:25:23,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:25:23,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:25:23,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:25:23,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:23" (1/1) ... [2021-11-23 01:25:23,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:25:23,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:25:23,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:25:23,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38d30c0-a66b-4c93-bd19-1e7e23c9cb07/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:25:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:25:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:25:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:25:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:25:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:25:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:25:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:25:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:25:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:25:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:25:24,062 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:25:24,063 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:25:24,419 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:25:24,554 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:25:24,554 INFO L301 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-23 01:25:24,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:24 BoogieIcfgContainer [2021-11-23 01:25:24,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:25:24,558 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:25:24,559 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:25:24,574 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:25:24,574 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:24" (1/1) ... [2021-11-23 01:25:24,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:25:24,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2021-11-23 01:25:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2021-11-23 01:25:24,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:25:24,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:24,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:24,821 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 01:25:24,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2021-11-23 01:25:24,869 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2021-11-23 01:25:24,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:25:24,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:24,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:24,972 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 01:25:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2021-11-23 01:25:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2021-11-23 01:25:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:25:25,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:25,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:25,225 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 01:25:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2021-11-23 01:25:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2021-11-23 01:25:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:25:25,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:25,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:25,670 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 01:25:25,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:25,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2021-11-23 01:25:25,681 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2021-11-23 01:25:25,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:25:25,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:25,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 58 states and 89 transitions. [2021-11-23 01:25:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2021-11-23 01:25:27,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:25:27,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:27,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:30,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:30,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 115 transitions. [2021-11-23 01:25:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 115 transitions. [2021-11-23 01:25:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:25:30,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:30,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 79 states and 141 transitions. [2021-11-23 01:25:32,953 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 141 transitions. [2021-11-23 01:25:32,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:25:32,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:32,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:33,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 81 states and 149 transitions. [2021-11-23 01:25:33,912 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 149 transitions. [2021-11-23 01:25:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:25:33,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:33,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:33,947 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 01:25:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 81 states and 143 transitions. [2021-11-23 01:25:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 143 transitions. [2021-11-23 01:25:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:25:33,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:33,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:37,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 96 states and 177 transitions. [2021-11-23 01:25:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 177 transitions. [2021-11-23 01:25:37,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:25:37,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:37,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:41,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:41,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 98 states and 186 transitions. [2021-11-23 01:25:41,011 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 186 transitions. [2021-11-23 01:25:41,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:25:41,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:41,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:41,043 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 01:25:41,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:41,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 98 states and 181 transitions. [2021-11-23 01:25:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 181 transitions. [2021-11-23 01:25:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:25:41,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:41,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:44,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:44,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 106 states and 209 transitions. [2021-11-23 01:25:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 209 transitions. [2021-11-23 01:25:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:25:44,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:44,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:44,822 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 01:25:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:47,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 116 states and 233 transitions. [2021-11-23 01:25:47,080 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 233 transitions. [2021-11-23 01:25:47,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:25:47,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:47,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 118 states and 245 transitions. [2021-11-23 01:25:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 245 transitions. [2021-11-23 01:25:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:25:48,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:48,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:48,703 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 119 states and 246 transitions. [2021-11-23 01:25:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 246 transitions. [2021-11-23 01:25:49,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:25:49,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:49,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:49,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:50,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 120 states and 248 transitions. [2021-11-23 01:25:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 248 transitions. [2021-11-23 01:25:50,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:25:50,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:50,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:50,103 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 121 states and 244 transitions. [2021-11-23 01:25:51,095 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 244 transitions. [2021-11-23 01:25:51,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:25:51,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:51,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 123 states and 256 transitions. [2021-11-23 01:25:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 256 transitions. [2021-11-23 01:25:52,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:52,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:52,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 132 states and 280 transitions. [2021-11-23 01:26:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 280 transitions. [2021-11-23 01:26:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:00,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:00,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 137 states and 290 transitions. [2021-11-23 01:26:01,743 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 290 transitions. [2021-11-23 01:26:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:01,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:01,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:02,092 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 01:26:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 135 states and 288 transitions. [2021-11-23 01:26:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 288 transitions. [2021-11-23 01:26:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:03,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:03,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 139 states and 287 transitions. [2021-11-23 01:26:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 287 transitions. [2021-11-23 01:26:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:26:05,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:05,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:11,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 147 states and 306 transitions. [2021-11-23 01:26:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 306 transitions. [2021-11-23 01:26:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:26:11,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:12,195 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:15,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:15,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 147 states and 296 transitions. [2021-11-23 01:26:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 296 transitions. [2021-11-23 01:26:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:26:15,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:15,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:17,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 149 states and 305 transitions. [2021-11-23 01:26:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 305 transitions. [2021-11-23 01:26:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:26:17,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:17,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 151 states and 314 transitions. [2021-11-23 01:26:19,055 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 314 transitions. [2021-11-23 01:26:19,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:26:19,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:19,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:29,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:29,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 161 states and 355 transitions. [2021-11-23 01:26:29,308 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 355 transitions. [2021-11-23 01:26:29,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:26:29,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:29,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 163 states and 370 transitions. [2021-11-23 01:26:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 370 transitions. [2021-11-23 01:26:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:26:31,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:31,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:31,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 176 states and 400 transitions. [2021-11-23 01:26:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 400 transitions. [2021-11-23 01:26:38,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:26:38,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:38,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:51,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 188 states and 435 transitions. [2021-11-23 01:26:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 435 transitions. [2021-11-23 01:26:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:26:51,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:51,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:53,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 201 states and 474 transitions. [2021-11-23 01:27:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 474 transitions. [2021-11-23 01:27:02,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:02,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:04,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 202 states and 475 transitions. [2021-11-23 01:27:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 475 transitions. [2021-11-23 01:27:04,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:04,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 210 states and 501 transitions. [2021-11-23 01:27:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 501 transitions. [2021-11-23 01:27:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:11,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:11,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:12,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 212 states and 508 transitions. [2021-11-23 01:27:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 508 transitions. [2021-11-23 01:27:12,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:12,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:12,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:21,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:21,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 222 states and 540 transitions. [2021-11-23 01:27:21,030 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 540 transitions. [2021-11-23 01:27:21,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:21,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:21,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 223 states and 542 transitions. [2021-11-23 01:27:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 542 transitions. [2021-11-23 01:27:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:22,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:22,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 231 states and 567 transitions. [2021-11-23 01:27:30,104 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 567 transitions. [2021-11-23 01:27:30,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:30,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:30,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 245 states and 601 transitions. [2021-11-23 01:27:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 601 transitions. [2021-11-23 01:27:43,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:43,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:43,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:27:50,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 252 states and 618 transitions. [2021-11-23 01:27:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 618 transitions. [2021-11-23 01:27:50,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:50,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:50,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 254 states and 621 transitions. [2021-11-23 01:27:53,240 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 621 transitions. [2021-11-23 01:27:53,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:53,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:53,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:27:56,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 257 states and 628 transitions. [2021-11-23 01:27:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 628 transitions. [2021-11-23 01:27:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:56,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:56,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:27:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 259 states and 632 transitions. [2021-11-23 01:27:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 632 transitions. [2021-11-23 01:27:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:57,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:57,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:27:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:59,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 260 states and 633 transitions. [2021-11-23 01:27:59,230 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 633 transitions. [2021-11-23 01:27:59,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:59,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:59,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:02,255 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 268 states and 662 transitions. [2021-11-23 01:28:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 662 transitions. [2021-11-23 01:28:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:28:13,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:13,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 270 states and 669 transitions. [2021-11-23 01:28:26,283 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 669 transitions. [2021-11-23 01:28:26,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:28:26,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:26,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:27,026 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:29,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 272 states and 686 transitions. [2021-11-23 01:28:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 686 transitions. [2021-11-23 01:28:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:28:29,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:29,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:28:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 273 states and 688 transitions. [2021-11-23 01:28:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 688 transitions. [2021-11-23 01:28:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:28:30,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:30,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:30,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:28:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 279 states and 702 transitions. [2021-11-23 01:28:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 702 transitions. [2021-11-23 01:28:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:28:34,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:34,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 289 states and 728 transitions. [2021-11-23 01:28:46,865 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 728 transitions. [2021-11-23 01:28:46,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:28:46,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:46,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:28:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 291 states and 731 transitions. [2021-11-23 01:28:49,615 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 731 transitions. [2021-11-23 01:28:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:28:49,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:49,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 287 states and 697 transitions. [2021-11-23 01:29:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 697 transitions. [2021-11-23 01:29:00,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:29:00,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:00,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 287 states and 692 transitions. [2021-11-23 01:29:05,470 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 692 transitions. [2021-11-23 01:29:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:29:05,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 290 states and 696 transitions. [2021-11-23 01:29:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 696 transitions. [2021-11-23 01:29:18,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:29:18,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:18,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 300 states and 724 transitions. [2021-11-23 01:29:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 724 transitions. [2021-11-23 01:29:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:29:49,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:49,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:49,820 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:51,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 300 states and 720 transitions. [2021-11-23 01:29:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 720 transitions. [2021-11-23 01:29:51,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:29:51,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:51,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 310 states and 767 transitions. [2021-11-23 01:30:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 767 transitions. [2021-11-23 01:30:16,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:30:16,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:16,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:42,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:42,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 326 states and 814 transitions. [2021-11-23 01:30:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 814 transitions. [2021-11-23 01:30:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:30:42,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:42,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:30:45,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 328 states and 818 transitions. [2021-11-23 01:30:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 818 transitions. [2021-11-23 01:30:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:30:45,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:45,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:04,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 332 states and 833 transitions. [2021-11-23 01:31:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 833 transitions. [2021-11-23 01:31:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:04,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:04,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:05,111 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 334 states and 847 transitions. [2021-11-23 01:31:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 847 transitions. [2021-11-23 01:31:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:31:08,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:08,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:31,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:31,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 349 states and 881 transitions. [2021-11-23 01:31:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 881 transitions. [2021-11-23 01:31:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:31:31,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:31,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:38,717 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:09,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:09,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 363 states and 927 transitions. [2021-11-23 01:32:09,234 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 927 transitions. [2021-11-23 01:32:09,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:32:09,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:09,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:09,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:32:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:18,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 369 states and 941 transitions. [2021-11-23 01:32:18,269 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 941 transitions. [2021-11-23 01:32:18,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:32:18,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:18,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:31,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 371 states and 944 transitions. [2021-11-23 01:32:31,543 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 944 transitions. [2021-11-23 01:32:31,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:32:31,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:31,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 381 states and 970 transitions. [2021-11-23 01:33:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 970 transitions. [2021-11-23 01:33:06,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:33:06,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:06,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 391 states and 1002 transitions. [2021-11-23 01:33:43,307 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1002 transitions. [2021-11-23 01:33:43,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:33:43,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:43,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:33:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 392 states and 1004 transitions. [2021-11-23 01:33:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 1004 transitions. [2021-11-23 01:33:49,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:33:49,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:49,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 402 states and 1022 transitions. [2021-11-23 01:34:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 1022 transitions. [2021-11-23 01:34:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:23,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:23,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 415 states and 1057 transitions. [2021-11-23 01:34:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 1057 transitions. [2021-11-23 01:34:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:52,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:52,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:27,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 423 states and 1095 transitions. [2021-11-23 01:35:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1095 transitions. [2021-11-23 01:35:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:35:27,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:27,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 425 states and 1102 transitions. [2021-11-23 01:35:30,436 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 1102 transitions. [2021-11-23 01:35:30,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:35:30,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:30,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 427 states and 1123 transitions. [2021-11-23 01:35:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1123 transitions. [2021-11-23 01:35:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:35:37,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:37,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 435 states and 1155 transitions. [2021-11-23 01:36:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1155 transitions. [2021-11-23 01:36:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:36:08,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:16,441 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 437 states and 1171 transitions. [2021-11-23 01:36:26,904 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1171 transitions. [2021-11-23 01:36:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:36:26,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:26,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:32,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 439 states and 1177 transitions. [2021-11-23 01:36:32,979 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 1177 transitions. [2021-11-23 01:36:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:32,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:32,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:39,142 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:53,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 447 states and 1190 transitions. [2021-11-23 01:36:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1190 transitions. [2021-11-23 01:36:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:53,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:53,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 453 states and 1202 transitions. [2021-11-23 01:37:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 1202 transitions. [2021-11-23 01:37:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:37:13,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:13,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.