./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fab41d0436dc7cba585e9298d4ea8657433c856ddd8c84a196b85a427d283b0a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:38:23,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:38:23,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:38:23,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:38:23,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:38:23,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:38:23,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:38:23,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:38:23,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:38:23,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:38:23,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:38:23,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:38:23,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:38:23,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:38:23,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:38:23,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:38:23,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:38:23,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:38:23,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:38:23,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:38:23,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:38:23,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:38:23,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:38:23,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:38:23,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:38:23,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:38:23,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:38:23,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:38:23,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:38:23,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:38:23,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:38:23,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:38:23,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:38:23,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:38:23,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:38:23,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:38:23,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:38:23,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:38:23,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:38:23,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:38:23,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:38:23,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:38:23,884 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:38:23,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:38:23,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:38:23,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:38:23,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:38:23,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:38:23,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:38:23,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:38:23,889 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:38:23,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:38:23,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:38:23,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:38:23,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:38:23,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:38:23,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:38:23,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:38:23,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:38:23,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:38:23,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:38:23,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:38:23,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:38:23,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:38:23,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:38:23,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:38:23,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:38:23,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:38:23,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:38:23,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:38:23,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:38:23,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:38:23,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:38:23,895 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_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab41d0436dc7cba585e9298d4ea8657433c856ddd8c84a196b85a427d283b0a [2021-11-20 05:38:24,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:38:24,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:38:24,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:38:24,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:38:24,256 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:38:24,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2021-11-20 05:38:24,332 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/data/493fd9ee5/e469f07e7b21460f9863c7055eea87aa/FLAGdad20dcf7 [2021-11-20 05:38:25,832 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:38:25,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2021-11-20 05:38:25,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/data/493fd9ee5/e469f07e7b21460f9863c7055eea87aa/FLAGdad20dcf7 [2021-11-20 05:38:26,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/data/493fd9ee5/e469f07e7b21460f9863c7055eea87aa [2021-11-20 05:38:26,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:38:26,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:38:26,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:38:26,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:38:26,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:38:26,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:26" (1/1) ... [2021-11-20 05:38:26,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac35f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:26, skipping insertion in model container [2021-11-20 05:38:26,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:26" (1/1) ... [2021-11-20 05:38:26,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:38:26,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:38:35,621 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_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[833598,833611] [2021-11-20 05:38:36,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:38:36,168 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:38:37,390 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_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[833598,833611] [2021-11-20 05:38:37,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:38:38,063 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:38:38,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38 WrapperNode [2021-11-20 05:38:38,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:38:38,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:38:38,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:38:38,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:38:38,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2021-11-20 05:38:38,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2021-11-20 05:38:39,259 INFO L137 Inliner]: procedures = 740, calls = 14349, calls flagged for inlining = 319, calls inlined = 270, statements flattened = 26150 [2021-11-20 05:38:39,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:38:39,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:38:39,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:38:39,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:38:39,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2021-11-20 05:38:39,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2021-11-20 05:38:39,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2021-11-20 05:38:39,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2021-11-20 05:38:40,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2021-11-20 05:38:40,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2021-11-20 05:38:41,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2021-11-20 05:38:41,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:38:41,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:38:41,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:38:41,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:38:41,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2021-11-20 05:38:41,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:38:41,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:41,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:41,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48da3c3-9fbd-4ca0-a6cd-739867f51f24/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:38:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 05:38:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 05:38:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2021-11-20 05:38:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2021-11-20 05:38:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-20 05:38:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-20 05:38:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2021-11-20 05:38:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2021-11-20 05:38:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2021-11-20 05:38:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2021-11-20 05:38:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-20 05:38:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-20 05:38:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 05:38:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 05:38:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_slot_reset [2021-11-20 05:38:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_slot_reset [2021-11-20 05:38:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2021-11-20 05:38:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2021-11-20 05:38:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-20 05:38:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-20 05:38:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 05:38:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 05:38:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-20 05:38:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-20 05:38:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2021-11-20 05:38:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2021-11-20 05:38:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:38:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:38:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2021-11-20 05:38:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2021-11-20 05:38:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2021-11-20 05:38:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2021-11-20 05:38:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2021-11-20 05:38:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2021-11-20 05:38:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 05:38:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 05:38:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-20 05:38:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-20 05:38:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-20 05:38:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-20 05:38:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2021-11-20 05:38:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2021-11-20 05:38:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2021-11-20 05:38:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2021-11-20 05:38:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-20 05:38:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-20 05:38:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2021-11-20 05:38:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2021-11-20 05:38:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 05:38:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 05:38:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 05:38:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 05:38:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2021-11-20 05:38:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2021-11-20 05:38:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2021-11-20 05:38:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2021-11-20 05:38:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-20 05:38:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-20 05:38:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2021-11-20 05:38:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2021-11-20 05:38:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 05:38:41,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 05:38:41,294 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2021-11-20 05:38:41,294 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2021-11-20 05:38:41,294 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-20 05:38:41,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-20 05:38:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2021-11-20 05:38:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2021-11-20 05:38:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_fix_features [2021-11-20 05:38:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_fix_features [2021-11-20 05:38:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-20 05:38:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-20 05:38:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 05:38:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 05:38:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 05:38:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 05:38:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 05:38:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 05:38:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 05:38:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 05:38:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 05:38:41,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 05:38:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-20 05:38:41,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-20 05:38:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:38:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 05:38:41,300 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 05:38:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2021-11-20 05:38:41,301 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2021-11-20 05:38:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2021-11-20 05:38:41,301 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2021-11-20 05:38:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2021-11-20 05:38:41,302 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2021-11-20 05:38:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-11-20 05:38:41,302 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-11-20 05:38:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-20 05:38:41,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-20 05:38:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2021-11-20 05:38:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2021-11-20 05:38:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 05:38:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 05:38:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2021-11-20 05:38:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2021-11-20 05:38:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2021-11-20 05:38:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2021-11-20 05:38:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2021-11-20 05:38:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2021-11-20 05:38:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 05:38:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 05:38:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 05:38:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 05:38:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2021-11-20 05:38:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2021-11-20 05:38:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2021-11-20 05:38:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2021-11-20 05:38:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 05:38:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-20 05:38:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-20 05:38:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2021-11-20 05:38:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2021-11-20 05:38:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2021-11-20 05:38:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2021-11-20 05:38:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2021-11-20 05:38:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2021-11-20 05:38:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 05:38:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 05:38:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2021-11-20 05:38:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2021-11-20 05:38:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 05:38:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2021-11-20 05:38:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2021-11-20 05:38:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:38:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 05:38:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 05:38:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-20 05:38:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-20 05:38:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2021-11-20 05:38:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2021-11-20 05:38:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-20 05:38:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-20 05:38:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2021-11-20 05:38:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2021-11-20 05:38:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 05:38:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 05:38:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2021-11-20 05:38:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2021-11-20 05:38:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2021-11-20 05:38:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2021-11-20 05:38:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2021-11-20 05:38:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2021-11-20 05:38:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2021-11-20 05:38:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2021-11-20 05:38:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-20 05:38:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-20 05:38:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-11-20 05:38:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-11-20 05:38:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2021-11-20 05:38:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2021-11-20 05:38:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2021-11-20 05:38:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2021-11-20 05:38:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-20 05:38:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-20 05:38:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 05:38:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 05:38:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-20 05:38:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-20 05:38:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2021-11-20 05:38:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2021-11-20 05:38:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_stats [2021-11-20 05:38:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_stats [2021-11-20 05:38:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-20 05:38:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-20 05:38:41,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2021-11-20 05:38:41,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2021-11-20 05:38:41,328 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2021-11-20 05:38:41,328 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2021-11-20 05:38:41,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 05:38:41,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 05:38:41,328 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_frag_len [2021-11-20 05:38:41,328 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_frag_len [2021-11-20 05:38:41,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:38:41,329 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2021-11-20 05:38:41,329 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2021-11-20 05:38:41,329 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-20 05:38:41,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-20 05:38:41,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:38:41,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-20 05:38:41,330 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-20 05:38:41,330 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 05:38:41,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 05:38:41,330 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2021-11-20 05:38:41,330 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2021-11-20 05:38:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:38:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 05:38:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-20 05:38:41,332 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-20 05:38:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_change_mtu [2021-11-20 05:38:41,332 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_change_mtu [2021-11-20 05:38:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2021-11-20 05:38:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2021-11-20 05:38:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-20 05:38:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-20 05:38:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2021-11-20 05:38:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2021-11-20 05:38:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2021-11-20 05:38:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2021-11-20 05:38:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 05:38:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 05:38:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2021-11-20 05:38:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2021-11-20 05:38:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2021-11-20 05:38:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2021-11-20 05:38:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2021-11-20 05:38:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2021-11-20 05:38:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 05:38:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 05:38:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 05:38:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 05:38:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 05:38:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 05:38:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2021-11-20 05:38:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2021-11-20 05:38:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-20 05:38:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-20 05:38:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2021-11-20 05:38:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2021-11-20 05:38:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2021-11-20 05:38:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2021-11-20 05:38:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2021-11-20 05:38:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2021-11-20 05:38:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-20 05:38:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-20 05:38:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-20 05:38:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-20 05:38:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-20 05:38:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-20 05:38:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2021-11-20 05:38:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2021-11-20 05:38:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-20 05:38:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-20 05:38:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2021-11-20 05:38:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2021-11-20 05:38:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 05:38:41,339 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 05:38:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 05:38:41,340 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 05:38:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2021-11-20 05:38:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2021-11-20 05:38:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2021-11-20 05:38:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2021-11-20 05:38:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2021-11-20 05:38:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2021-11-20 05:38:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-20 05:38:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-20 05:38:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:38:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:38:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2021-11-20 05:38:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2021-11-20 05:38:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-20 05:38:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-20 05:38:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-20 05:38:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-20 05:38:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2021-11-20 05:38:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2021-11-20 05:38:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2021-11-20 05:38:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2021-11-20 05:38:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 05:38:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 05:38:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2021-11-20 05:38:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2021-11-20 05:38:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 05:38:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 05:38:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:38:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:38:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-20 05:38:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-20 05:38:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 05:38:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 05:38:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_phy_info_task [2021-11-20 05:38:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_phy_info_task [2021-11-20 05:38:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2021-11-20 05:38:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2021-11-20 05:38:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 05:38:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 05:38:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2021-11-20 05:38:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2021-11-20 05:38:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 05:38:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 05:38:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 05:38:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 05:38:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 05:38:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 05:38:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 05:38:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-20 05:38:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-20 05:38:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_alloc_frag [2021-11-20 05:38:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_alloc_frag [2021-11-20 05:38:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-20 05:38:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-20 05:38:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 05:38:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 05:38:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2021-11-20 05:38:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2021-11-20 05:38:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 05:38:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 05:38:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 05:38:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 05:38:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-11-20 05:38:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-11-20 05:38:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 05:38:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 05:38:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2021-11-20 05:38:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2021-11-20 05:38:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 05:38:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 05:38:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2021-11-20 05:38:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2021-11-20 05:38:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2021-11-20 05:38:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2021-11-20 05:38:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 05:38:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 05:38:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2021-11-20 05:38:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2021-11-20 05:38:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-20 05:38:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-20 05:38:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2021-11-20 05:38:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2021-11-20 05:38:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2021-11-20 05:38:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2021-11-20 05:38:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-20 05:38:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-20 05:38:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 05:38:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 05:38:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-20 05:38:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-20 05:38:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-20 05:38:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-20 05:38:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:38:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 05:38:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 05:38:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-20 05:38:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-20 05:38:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 05:38:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 05:38:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2021-11-20 05:38:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2021-11-20 05:38:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:38:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-20 05:38:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-20 05:38:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_task [2021-11-20 05:38:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_task [2021-11-20 05:38:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_features [2021-11-20 05:38:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_features [2021-11-20 05:38:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-20 05:38:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-20 05:38:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-20 05:38:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-20 05:38:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2021-11-20 05:38:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2021-11-20 05:38:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2021-11-20 05:38:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2021-11-20 05:38:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2021-11-20 05:38:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2021-11-20 05:38:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:38:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2021-11-20 05:38:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2021-11-20 05:38:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_watchdog [2021-11-20 05:38:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_watchdog [2021-11-20 05:38:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2021-11-20 05:38:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2021-11-20 05:38:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2021-11-20 05:38:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2021-11-20 05:38:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2021-11-20 05:38:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2021-11-20 05:38:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-20 05:38:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-20 05:38:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-20 05:38:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-20 05:38:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2021-11-20 05:38:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2021-11-20 05:38:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 05:38:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 05:38:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2021-11-20 05:38:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2021-11-20 05:38:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 05:38:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 05:38:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 05:38:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 05:38:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2021-11-20 05:38:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2021-11-20 05:38:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2021-11-20 05:38:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2021-11-20 05:38:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2021-11-20 05:38:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2021-11-20 05:38:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2021-11-20 05:38:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2021-11-20 05:38:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2021-11-20 05:38:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2021-11-20 05:38:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-20 05:38:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-20 05:38:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2021-11-20 05:38:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2021-11-20 05:38:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2021-11-20 05:38:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2021-11-20 05:38:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2021-11-20 05:38:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2021-11-20 05:38:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 05:38:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 05:38:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 05:38:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 05:38:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2021-11-20 05:38:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2021-11-20 05:38:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-20 05:38:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-20 05:38:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2021-11-20 05:38:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2021-11-20 05:38:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2021-11-20 05:38:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2021-11-20 05:38:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2021-11-20 05:38:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2021-11-20 05:38:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-20 05:38:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-20 05:38:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 05:38:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 05:38:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2021-11-20 05:38:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2021-11-20 05:38:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-20 05:38:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-20 05:38:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-20 05:38:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-20 05:38:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 05:38:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 05:38:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2021-11-20 05:38:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2021-11-20 05:38:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2021-11-20 05:38:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2021-11-20 05:38:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:38:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_82547_tx_fifo_stall_task [2021-11-20 05:38:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_82547_tx_fifo_stall_task [2021-11-20 05:38:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs___0 [2021-11-20 05:38:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs___0 [2021-11-20 05:38:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-11-20 05:38:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-11-20 05:38:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2021-11-20 05:38:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2021-11-20 05:38:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:38:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:38:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2021-11-20 05:38:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2021-11-20 05:38:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-11-20 05:38:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-11-20 05:38:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2021-11-20 05:38:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2021-11-20 05:38:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 05:38:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 05:38:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2021-11-20 05:38:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2021-11-20 05:38:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 05:38:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 05:38:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-20 05:38:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-20 05:38:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-20 05:38:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-20 05:38:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-20 05:38:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-20 05:38:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2021-11-20 05:38:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2021-11-20 05:38:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_error_detected [2021-11-20 05:38:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_error_detected [2021-11-20 05:38:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-20 05:38:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-20 05:38:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2021-11-20 05:38:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2021-11-20 05:38:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2021-11-20 05:38:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2021-11-20 05:38:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2021-11-20 05:38:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2021-11-20 05:38:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-20 05:38:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-20 05:38:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-20 05:38:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-20 05:38:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2021-11-20 05:38:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2021-11-20 05:38:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-11-20 05:38:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-11-20 05:38:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-11-20 05:38:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-11-20 05:38:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2021-11-20 05:38:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2021-11-20 05:38:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2021-11-20 05:38:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2021-11-20 05:38:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2021-11-20 05:38:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2021-11-20 05:38:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_19 [2021-11-20 05:38:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_19 [2021-11-20 05:38:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-20 05:38:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-20 05:38:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 05:38:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 05:38:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-20 05:38:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-20 05:38:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2021-11-20 05:38:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2021-11-20 05:38:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-20 05:38:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-20 05:38:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 05:38:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 05:38:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2021-11-20 05:38:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2021-11-20 05:38:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 05:38:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 05:38:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 05:38:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 05:38:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_ioctl [2021-11-20 05:38:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_ioctl [2021-11-20 05:38:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 05:38:41,379 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 05:38:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_mac [2021-11-20 05:38:41,379 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_mac [2021-11-20 05:38:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:38:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-20 05:38:41,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-20 05:38:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2021-11-20 05:38:41,464 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2021-11-20 05:38:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-20 05:38:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_frag [2021-11-20 05:38:41,464 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_frag [2021-11-20 05:38:43,534 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:38:43,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:38:45,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 05:39:52,528 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:39:52,611 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:39:52,611 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 05:39:52,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:39:52 BoogieIcfgContainer [2021-11-20 05:39:52,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:39:52,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:39:52,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:39:52,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:39:52,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:38:26" (1/3) ... [2021-11-20 05:39:52,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff0de4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:39:52, skipping insertion in model container [2021-11-20 05:39:52,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (2/3) ... [2021-11-20 05:39:52,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff0de4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:39:52, skipping insertion in model container [2021-11-20 05:39:52,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:39:52" (3/3) ... [2021-11-20 05:39:52,634 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2021-11-20 05:39:52,641 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:39:52,641 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:39:52,736 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:39:52,747 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:39:52,747 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:39:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 8218 states, 5868 states have (on average 1.382072256305385) internal successors, (8110), 5967 states have internal predecessors, (8110), 2097 states have call successors, (2097), 254 states have call predecessors, (2097), 253 states have return successors, (2087), 2081 states have call predecessors, (2087), 2087 states have call successors, (2087) [2021-11-20 05:39:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-20 05:39:53,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:39:53,020 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:39:53,021 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:39:53,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:39:53,028 INFO L85 PathProgramCache]: Analyzing trace with hash -818435138, now seen corresponding path program 1 times [2021-11-20 05:39:53,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:39:53,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085180121] [2021-11-20 05:39:53,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:39:53,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:39:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:39:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:54,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:39:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:54,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:39:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:54,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:39:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:39:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:39:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:39:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:39:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:39:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:39:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 05:39:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 05:39:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-20 05:39:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 05:39:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 05:39:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-20 05:39:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 05:39:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 05:39:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-11-20 05:39:55,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:39:55,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085180121] [2021-11-20 05:39:55,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085180121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:39:55,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:39:55,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:39:55,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984047874] [2021-11-20 05:39:55,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:39:55,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:39:55,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:39:55,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:39:55,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:39:55,756 INFO L87 Difference]: Start difference. First operand has 8218 states, 5868 states have (on average 1.382072256305385) internal successors, (8110), 5967 states have internal predecessors, (8110), 2097 states have call successors, (2097), 254 states have call predecessors, (2097), 253 states have return successors, (2087), 2081 states have call predecessors, (2087), 2087 states have call successors, (2087) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 05:40:23,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:32,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:33,616 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:35,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:05,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:07,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:09,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:11,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:13,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:15,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:16,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:18,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:20,831 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:22,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:24,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:26,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:28,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:30,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:32,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:34,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:36,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:38,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:41,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:43,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:45,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:47,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:49,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:51,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:53,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:55,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:57,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:59,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:01,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:03,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:05,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:07,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:16,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:19,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:21,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:23,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:25,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:27,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:29,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:29,139 INFO L93 Difference]: Finished difference Result 17678 states and 27069 transitions. [2021-11-20 05:42:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 05:42:29,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 201 [2021-11-20 05:42:29,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:29,318 INFO L225 Difference]: With dead ends: 17678 [2021-11-20 05:42:29,319 INFO L226 Difference]: Without dead ends: 9434 [2021-11-20 05:42:29,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:42:29,424 INFO L933 BasicCegarLoop]: 11947 mSDtfsCounter, 4239 mSDsluCounter, 15625 mSDsCounter, 0 mSdLazyCounter, 12333 mSolverCounterSat, 5560 mSolverCounterUnsat, 37 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 142.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4377 SdHoareTripleChecker+Valid, 27572 SdHoareTripleChecker+Invalid, 17930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5560 IncrementalHoareTripleChecker+Valid, 12333 IncrementalHoareTripleChecker+Invalid, 37 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 151.8s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:29,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4377 Valid, 27572 Invalid, 17930 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5560 Valid, 12333 Invalid, 37 Unknown, 0 Unchecked, 151.8s Time] [2021-11-20 05:42:29,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9434 states. [2021-11-20 05:42:30,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9434 to 8181. [2021-11-20 05:42:30,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8181 states, 5843 states have (on average 1.378572651035427) internal successors, (8055), 5928 states have internal predecessors, (8055), 2085 states have call successors, (2085), 253 states have call predecessors, (2085), 252 states have return successors, (2082), 2076 states have call predecessors, (2082), 2082 states have call successors, (2082) [2021-11-20 05:42:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8181 states to 8181 states and 12222 transitions. [2021-11-20 05:42:30,562 INFO L78 Accepts]: Start accepts. Automaton has 8181 states and 12222 transitions. Word has length 201 [2021-11-20 05:42:30,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:30,563 INFO L470 AbstractCegarLoop]: Abstraction has 8181 states and 12222 transitions. [2021-11-20 05:42:30,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 05:42:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 8181 states and 12222 transitions. [2021-11-20 05:42:30,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-20 05:42:30,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:30,580 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:42:30,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:42:30,581 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:30,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:30,581 INFO L85 PathProgramCache]: Analyzing trace with hash -563015498, now seen corresponding path program 1 times [2021-11-20 05:42:30,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:42:30,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779197318] [2021-11-20 05:42:30,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:30,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:42:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:42:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:42:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:42:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:42:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:42:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:42:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:42:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:42:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:42:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:42:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 05:42:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 05:42:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-20 05:42:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 05:42:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 05:42:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-20 05:42:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 05:42:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 05:42:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,390 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-11-20 05:42:32,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:42:32,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779197318] [2021-11-20 05:42:32,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779197318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:32,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:32,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:42:32,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204549020] [2021-11-20 05:42:32,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:32,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:42:32,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:42:32,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:42:32,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:42:32,397 INFO L87 Difference]: Start difference. First operand 8181 states and 12222 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-20 05:42:42,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:43,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:45,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:47,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:48,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:19,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:20,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:22,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:22,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:24,179 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:26,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:28,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:30,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:32,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:34,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:35,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:37,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:39,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:41,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:43,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:45,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:47,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:49,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:52,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:54,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:57,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:59,205 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:01,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:03,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:05,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:07,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:09,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:11,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:13,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:15,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:17,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:19,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:21,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:23,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:39,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:41,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:43,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:45,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:47,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:49,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:51,573 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:53,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:55,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:57,662 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:00,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:02,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:04,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:06,621 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:08,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:10,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:12,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:14,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:16,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:18,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:20,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:22,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:24,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:26,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:28,923 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:30,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:33,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:35,136 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:39,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:45,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:47,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:49,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:51,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:55,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:57,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:59,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:02,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:05,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:07,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:10,326 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:12,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:14,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:15,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:47:15,787 INFO L93 Difference]: Finished difference Result 26938 states and 41214 transitions. [2021-11-20 05:47:15,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 05:47:15,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 201 [2021-11-20 05:47:15,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:47:16,046 INFO L225 Difference]: With dead ends: 26938 [2021-11-20 05:47:16,047 INFO L226 Difference]: Without dead ends: 18792 [2021-11-20 05:47:16,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-11-20 05:47:16,123 INFO L933 BasicCegarLoop]: 13604 mSDtfsCounter, 19399 mSDsluCounter, 27241 mSDsCounter, 0 mSdLazyCounter, 20410 mSolverCounterSat, 12580 mSolverCounterUnsat, 69 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 263.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20933 SdHoareTripleChecker+Valid, 40845 SdHoareTripleChecker+Invalid, 33059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 12580 IncrementalHoareTripleChecker+Valid, 20410 IncrementalHoareTripleChecker+Invalid, 69 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 281.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:47:16,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20933 Valid, 40845 Invalid, 33059 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [12580 Valid, 20410 Invalid, 69 Unknown, 0 Unchecked, 281.0s Time] [2021-11-20 05:47:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18792 states. [2021-11-20 05:47:17,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18792 to 16286. [2021-11-20 05:47:17,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16286 states, 11637 states have (on average 1.3793933144281172) internal successors, (16052), 11805 states have internal predecessors, (16052), 4144 states have call successors, (4144), 505 states have call predecessors, (4144), 504 states have return successors, (4141), 4129 states have call predecessors, (4141), 4141 states have call successors, (4141) [2021-11-20 05:47:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16286 states to 16286 states and 24337 transitions. [2021-11-20 05:47:18,139 INFO L78 Accepts]: Start accepts. Automaton has 16286 states and 24337 transitions. Word has length 201 [2021-11-20 05:47:18,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:47:18,141 INFO L470 AbstractCegarLoop]: Abstraction has 16286 states and 24337 transitions. [2021-11-20 05:47:18,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-20 05:47:18,142 INFO L276 IsEmpty]: Start isEmpty. Operand 16286 states and 24337 transitions. [2021-11-20 05:47:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-20 05:47:18,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:47:18,154 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:47:18,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:47:18,155 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:47:18,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:47:18,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1594635177, now seen corresponding path program 1 times [2021-11-20 05:47:18,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:47:18,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410823526] [2021-11-20 05:47:18,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:47:18,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:47:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:47:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:47:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:47:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:47:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:47:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:47:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:47:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:47:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:47:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:47:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 05:47:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 05:47:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-20 05:47:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 05:47:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 05:47:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-20 05:47:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 05:47:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:20,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 05:47:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:20,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 05:47:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:20,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:47:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2021-11-20 05:47:20,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:47:20,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410823526] [2021-11-20 05:47:20,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410823526] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:47:20,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:47:20,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:47:20,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796457267] [2021-11-20 05:47:20,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:47:20,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:47:20,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:47:20,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:47:20,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:47:20,155 INFO L87 Difference]: Start difference. First operand 16286 states and 24337 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 05:47:25,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:26,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:46,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:05,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:08,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:10,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:12,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:14,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:16,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:18,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:20,831 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:22,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:24,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:30,411 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:32,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:35,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:37,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:39,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:40,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:48:40,311 INFO L93 Difference]: Finished difference Result 18794 states and 29039 transitions. [2021-11-20 05:48:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:48:40,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 222 [2021-11-20 05:48:40,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:48:40,475 INFO L225 Difference]: With dead ends: 18794 [2021-11-20 05:48:40,475 INFO L226 Difference]: Without dead ends: 18791 [2021-11-20 05:48:40,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:48:40,506 INFO L933 BasicCegarLoop]: 11762 mSDtfsCounter, 17691 mSDsluCounter, 5904 mSDsCounter, 0 mSdLazyCounter, 5254 mSolverCounterSat, 9995 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19088 SdHoareTripleChecker+Valid, 17666 SdHoareTripleChecker+Invalid, 15264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9995 IncrementalHoareTripleChecker+Valid, 5254 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.9s IncrementalHoareTripleChecker+Time [2021-11-20 05:48:40,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19088 Valid, 17666 Invalid, 15264 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9995 Valid, 5254 Invalid, 15 Unknown, 0 Unchecked, 78.9s Time] [2021-11-20 05:48:40,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18791 states. [2021-11-20 05:48:42,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18791 to 16285. [2021-11-20 05:48:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16285 states, 11637 states have (on average 1.3793073816275672) internal successors, (16051), 11804 states have internal predecessors, (16051), 4143 states have call successors, (4143), 505 states have call predecessors, (4143), 504 states have return successors, (4141), 4129 states have call predecessors, (4141), 4141 states have call successors, (4141) [2021-11-20 05:48:42,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16285 states to 16285 states and 24335 transitions. [2021-11-20 05:48:42,283 INFO L78 Accepts]: Start accepts. Automaton has 16285 states and 24335 transitions. Word has length 222 [2021-11-20 05:48:42,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:48:42,286 INFO L470 AbstractCegarLoop]: Abstraction has 16285 states and 24335 transitions. [2021-11-20 05:48:42,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 05:48:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 16285 states and 24335 transitions. [2021-11-20 05:48:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-20 05:48:42,300 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:48:42,300 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:48:42,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:48:42,301 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:48:42,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:42,302 INFO L85 PathProgramCache]: Analyzing trace with hash -2109290401, now seen corresponding path program 1 times [2021-11-20 05:48:42,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:42,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234133748] [2021-11-20 05:48:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:42,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:48:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:48:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:48:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:48:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:48:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:48:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:48:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:48:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:48:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:48:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 05:48:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 05:48:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-20 05:48:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 05:48:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 05:48:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-20 05:48:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 05:48:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 05:48:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 05:48:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:48:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2021-11-20 05:48:44,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:48:44,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234133748] [2021-11-20 05:48:44,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234133748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:48:44,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:48:44,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:48:44,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736750113] [2021-11-20 05:48:44,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:48:44,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:48:44,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:48:44,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:48:44,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:48:44,266 INFO L87 Difference]: Start difference. First operand 16285 states and 24335 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 05:48:49,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:12,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:14,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:31,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:33,238 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:34,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:36,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:38,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:39,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:41,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:44,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:46,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:48,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:50,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:55,969 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:58,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:59,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:49:59,355 INFO L93 Difference]: Finished difference Result 18793 states and 29037 transitions. [2021-11-20 05:49:59,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:49:59,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 223 [2021-11-20 05:49:59,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:49:59,526 INFO L225 Difference]: With dead ends: 18793 [2021-11-20 05:49:59,526 INFO L226 Difference]: Without dead ends: 18790 [2021-11-20 05:49:59,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:49:59,550 INFO L933 BasicCegarLoop]: 11755 mSDtfsCounter, 17634 mSDsluCounter, 5913 mSDsCounter, 0 mSdLazyCounter, 5249 mSolverCounterSat, 10034 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19017 SdHoareTripleChecker+Valid, 17668 SdHoareTripleChecker+Invalid, 15294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10034 IncrementalHoareTripleChecker+Valid, 5249 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.8s IncrementalHoareTripleChecker+Time [2021-11-20 05:49:59,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19017 Valid, 17668 Invalid, 15294 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10034 Valid, 5249 Invalid, 11 Unknown, 0 Unchecked, 73.8s Time] [2021-11-20 05:49:59,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18790 states. [2021-11-20 05:50:01,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18790 to 16284. [2021-11-20 05:50:01,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16284 states, 11637 states have (on average 1.3792214488270174) internal successors, (16050), 11803 states have internal predecessors, (16050), 4142 states have call successors, (4142), 505 states have call predecessors, (4142), 504 states have return successors, (4141), 4129 states have call predecessors, (4141), 4141 states have call successors, (4141) [2021-11-20 05:50:01,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16284 states to 16284 states and 24333 transitions. [2021-11-20 05:50:01,258 INFO L78 Accepts]: Start accepts. Automaton has 16284 states and 24333 transitions. Word has length 223 [2021-11-20 05:50:01,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:50:01,259 INFO L470 AbstractCegarLoop]: Abstraction has 16284 states and 24333 transitions. [2021-11-20 05:50:01,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 05:50:01,260 INFO L276 IsEmpty]: Start isEmpty. Operand 16284 states and 24333 transitions. [2021-11-20 05:50:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-20 05:50:01,270 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:50:01,271 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:50:01,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:50:01,271 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:50:01,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:01,272 INFO L85 PathProgramCache]: Analyzing trace with hash -966861460, now seen corresponding path program 1 times [2021-11-20 05:50:01,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:01,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26592171] [2021-11-20 05:50:01,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:01,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:50:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:50:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:50:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:50:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:50:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:50:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 05:50:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 05:50:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-20 05:50:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 05:50:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 05:50:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-20 05:50:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 05:50:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 05:50:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 05:50:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2021-11-20 05:50:03,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:50:03,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26592171] [2021-11-20 05:50:03,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26592171] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:50:03,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:50:03,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:50:03,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213226686] [2021-11-20 05:50:03,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:50:03,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:50:03,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:50:03,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:50:03,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:50:03,167 INFO L87 Difference]: Start difference. First operand 16284 states and 24333 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 05:50:11,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:50:39,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:50:42,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:51:10,097 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:51:12,179 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:51:14,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:51:16,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []