./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.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_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/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_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/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_2bd251ee-4a23-4f84-8fe5-c62e698d987d/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 5eade98d3572945dc3f3afa13df28f18738479fb416def85e3793aeb4de65612 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:44:51,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:44:51,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:44:51,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:44:51,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:44:51,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:44:51,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:44:51,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:44:51,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:44:51,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:44:51,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:44:51,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:44:51,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:44:51,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:44:51,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:44:51,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:44:51,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:44:51,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:44:51,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:44:51,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:44:51,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:44:51,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:44:51,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:44:51,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:44:51,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:44:51,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:44:51,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:44:51,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:44:51,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:44:51,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:44:51,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:44:51,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:44:51,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:44:51,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:44:51,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:44:51,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:44:51,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:44:51,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:44:51,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:44:51,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:44:51,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:44:51,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:44:51,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:44:51,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:44:52,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:44:52,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:44:52,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:44:52,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:44:52,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:44:52,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:44:52,003 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:44:52,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:44:52,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:44:52,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:44:52,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:44:52,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:44:52,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:44:52,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:44:52,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:44:52,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:44:52,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:44:52,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:44:52,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:44:52,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:44:52,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:44:52,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:44:52,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:44:52,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:44:52,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:44:52,010 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:44:52,010 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:44:52,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:44:52,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:44:52,010 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_2bd251ee-4a23-4f84-8fe5-c62e698d987d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eade98d3572945dc3f3afa13df28f18738479fb416def85e3793aeb4de65612 [2021-11-20 06:44:52,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:44:52,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:44:52,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:44:52,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:44:52,282 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:44:52,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2021-11-20 06:44:52,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/data/6ec58c6af/67e0fd68f64a4f85b06731235a7ce30f/FLAGc0522ee82 [2021-11-20 06:44:53,492 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:44:53,493 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2021-11-20 06:44:53,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/data/6ec58c6af/67e0fd68f64a4f85b06731235a7ce30f/FLAGc0522ee82 [2021-11-20 06:44:53,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/data/6ec58c6af/67e0fd68f64a4f85b06731235a7ce30f [2021-11-20 06:44:53,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:44:53,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:44:53,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:44:53,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:44:53,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:44:53,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:44:53" (1/1) ... [2021-11-20 06:44:53,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e7b150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:53, skipping insertion in model container [2021-11-20 06:44:53,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:44:53" (1/1) ... [2021-11-20 06:44:53,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:44:53,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:45:01,215 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_2bd251ee-4a23-4f84-8fe5-c62e698d987d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i[615856,615869] [2021-11-20 06:45:01,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:45:01,548 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:45:02,321 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_2bd251ee-4a23-4f84-8fe5-c62e698d987d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i[615856,615869] [2021-11-20 06:45:02,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:45:02,706 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:45:02,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02 WrapperNode [2021-11-20 06:45:02,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:45:02,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:45:02,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:45:02,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:45:02,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (1/1) ... [2021-11-20 06:45:02,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (1/1) ... [2021-11-20 06:45:03,259 INFO L137 Inliner]: procedures = 720, calls = 7789, calls flagged for inlining = 365, calls inlined = 99, statements flattened = 7352 [2021-11-20 06:45:03,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:45:03,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:45:03,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:45:03,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:45:03,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (1/1) ... [2021-11-20 06:45:03,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (1/1) ... [2021-11-20 06:45:03,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (1/1) ... [2021-11-20 06:45:03,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (1/1) ... [2021-11-20 06:45:03,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (1/1) ... [2021-11-20 06:45:03,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (1/1) ... [2021-11-20 06:45:03,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (1/1) ... [2021-11-20 06:45:03,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:45:03,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:45:03,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:45:03,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:45:03,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (1/1) ... [2021-11-20 06:45:03,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:45:03,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:03,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:03,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd251ee-4a23-4f84-8fe5-c62e698d987d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:45:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2021-11-20 06:45:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2021-11-20 06:45:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2021-11-20 06:45:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2021-11-20 06:45:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_wol_excluded [2021-11-20 06:45:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_wol_excluded [2021-11-20 06:45:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2021-11-20 06:45:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2021-11-20 06:45:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-20 06:45:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-20 06:45:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-20 06:45:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-20 06:45:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-20 06:45:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-20 06:45:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 06:45:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2021-11-20 06:45:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2021-11-20 06:45:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_write_object [2021-11-20 06:45:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_write_object [2021-11-20 06:45:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 06:45:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 06:45:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-20 06:45:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-20 06:45:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:45:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_redboot [2021-11-20 06:45:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_redboot [2021-11-20 06:45:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_file [2021-11-20 06:45:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_file [2021-11-20 06:45:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:45:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:45:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-20 06:45:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-20 06:45:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure be_cq_notify [2021-11-20 06:45:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cq_notify [2021-11-20 06:45:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:45:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mbox_lock_of_be_adapter [2021-11-20 06:45:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mbox_lock_of_be_adapter [2021-11-20 06:45:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 06:45:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 06:45:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:45:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure be_set_msg_level [2021-11-20 06:45:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure be_set_msg_level [2021-11-20 06:45:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-20 06:45:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-20 06:45:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:45:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure be_loopback_test [2021-11-20 06:45:03,753 INFO L138 BoogieDeclarations]: Found implementation of procedure be_loopback_test [2021-11-20 06:45:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:45:03,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:45:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2021-11-20 06:45:03,753 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2021-11-20 06:45:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2021-11-20 06:45:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2021-11-20 06:45:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 06:45:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 06:45:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2021-11-20 06:45:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2021-11-20 06:45:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2021-11-20 06:45:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2021-11-20 06:45:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure be_decode_resp_hdr [2021-11-20 06:45:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure be_decode_resp_hdr [2021-11-20 06:45:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:45:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 06:45:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 06:45:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:45:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-20 06:45:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-20 06:45:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_allowed [2021-11-20 06:45:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_allowed [2021-11-20 06:45:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure be_pause_supported [2021-11-20 06:45:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure be_pause_supported [2021-11-20 06:45:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:45:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:45:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure convert_to_et_setting [2021-11-20 06:45:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure convert_to_et_setting [2021-11-20 06:45:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure queue_head_node [2021-11-20 06:45:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_head_node [2021-11-20 06:45:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_BEx [2021-11-20 06:45:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_BEx [2021-11-20 06:45:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure get_fsec_info [2021-11-20 06:45:03,759 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fsec_info [2021-11-20 06:45:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-20 06:45:03,759 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-20 06:45:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure be_error [2021-11-20 06:45:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure be_error [2021-11-20 06:45:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_object [2021-11-20 06:45:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_object [2021-11-20 06:45:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2021-11-20 06:45:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2021-11-20 06:45:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:45:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:45:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-20 06:45:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-20 06:45:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash [2021-11-20 06:45:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash [2021-11-20 06:45:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-20 06:45:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-20 06:45:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 06:45:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 06:45:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure check_privilege [2021-11-20 06:45:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure check_privilege [2021-11-20 06:45:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:45:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify_wait [2021-11-20 06:45:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify_wait [2021-11-20 06:45:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:45:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure be_link_status_update [2021-11-20 06:45:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure be_link_status_update [2021-11-20 06:45:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-20 06:45:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-20 06:45:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 06:45:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 06:45:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_fw_ver [2021-11-20 06:45:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_fw_ver [2021-11-20 06:45:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_flow_control [2021-11-20 06:45:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_flow_control [2021-11-20 06:45:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 06:45:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 06:45:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:45:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:45:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_link_status_query [2021-11-20 06:45:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_link_status_query [2021-11-20 06:45:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure be_process_mcc [2021-11-20 06:45:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure be_process_mcc [2021-11-20 06:45:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 06:45:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 06:45:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 06:45:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 06:45:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:45:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:45:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_rss_config [2021-11-20 06:45:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_rss_config [2021-11-20 06:45:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_get_file_len [2021-11-20 06:45:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_get_file_len [2021-11-20 06:45:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 06:45:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 06:45:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure be_multi_rxq [2021-11-20 06:45:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure be_multi_rxq [2021-11-20 06:45:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mbox_lock_of_be_adapter [2021-11-20 06:45:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mbox_lock_of_be_adapter [2021-11-20 06:45:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:45:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 06:45:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 06:45:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:45:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure be_detect_error [2021-11-20 06:45:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure be_detect_error [2021-11-20 06:45:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure MODULO___0 [2021-11-20 06:45:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure MODULO___0 [2021-11-20 06:45:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-20 06:45:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-20 06:45:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2021-11-20 06:45:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2021-11-20 06:45:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:45:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc___0 [2021-11-20 06:45:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc___0 [2021-11-20 06:45:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2021-11-20 06:45:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2021-11-20 06:45:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 06:45:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 06:45:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-20 06:45:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-20 06:45:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_phy_info [2021-11-20 06:45:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_phy_info [2021-11-20 06:45:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_cmd_hdr_prepare [2021-11-20 06:45:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_cmd_hdr_prepare [2021-11-20 06:45:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_loopback [2021-11-20 06:45:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_loopback [2021-11-20 06:45:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure be_hw_error [2021-11-20 06:45:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure be_hw_error [2021-11-20 06:45:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 06:45:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 06:45:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2021-11-20 06:45:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2021-11-20 06:45:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:45:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:45:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_ext_fat_capabilites [2021-11-20 06:45:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_ext_fat_capabilites [2021-11-20 06:45:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:45:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:45:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:45:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-20 06:45:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-20 06:45:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-20 06:45:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-20 06:45:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stats_from_cmd [2021-11-20 06:45:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stats_from_cmd [2021-11-20 06:45:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-20 06:45:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-20 06:45:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2021-11-20 06:45:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2021-11-20 06:45:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2021-11-20 06:45:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2021-11-20 06:45:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 06:45:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 06:45:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:45:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:45:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 06:45:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 06:45:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_beacon_state [2021-11-20 06:45:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_beacon_state [2021-11-20 06:45:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_wol_supported [2021-11-20 06:45:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_wol_supported [2021-11-20 06:45:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:45:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2021-11-20 06:45:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2021-11-20 06:45:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 06:45:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 06:45:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_flow_control [2021-11-20 06:45:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_flow_control [2021-11-20 06:45:04,721 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:45:04,725 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:56:44,394 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:56:44,431 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:56:44,431 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:56:44,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:56:44 BoogieIcfgContainer [2021-11-20 06:56:44,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:56:44,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:56:44,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:56:44,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:56:44,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:44:53" (1/3) ... [2021-11-20 06:56:44,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a91fa53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:56:44, skipping insertion in model container [2021-11-20 06:56:44,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:02" (2/3) ... [2021-11-20 06:56:44,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a91fa53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:56:44, skipping insertion in model container [2021-11-20 06:56:44,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:56:44" (3/3) ... [2021-11-20 06:56:44,448 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2021-11-20 06:56:44,454 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:56:44,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:56:44,522 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:56:44,530 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 06:56:44,530 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:56:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 1774 states, 1298 states have (on average 1.37904468412943) internal successors, (1790), 1313 states have internal predecessors, (1790), 378 states have call successors, (378), 96 states have call predecessors, (378), 96 states have return successors, (378), 376 states have call predecessors, (378), 378 states have call successors, (378) [2021-11-20 06:56:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 06:56:44,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:44,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:44,615 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:44,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:44,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2016699830, now seen corresponding path program 1 times [2021-11-20 06:56:44,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:44,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161509296] [2021-11-20 06:56:44,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:44,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:45,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:56:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:56:45,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:45,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161509296] [2021-11-20 06:56:45,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161509296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:45,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:56:45,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:56:45,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269466848] [2021-11-20 06:56:45,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:45,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:56:45,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:45,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:56:45,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:56:45,980 INFO L87 Difference]: Start difference. First operand has 1774 states, 1298 states have (on average 1.37904468412943) internal successors, (1790), 1313 states have internal predecessors, (1790), 378 states have call successors, (378), 96 states have call predecessors, (378), 96 states have return successors, (378), 376 states have call predecessors, (378), 378 states have call successors, (378) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:56:48,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:50,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:56,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:56,157 INFO L93 Difference]: Finished difference Result 3621 states and 5228 transitions. [2021-11-20 06:56:56,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:56:56,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-11-20 06:56:56,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:56,206 INFO L225 Difference]: With dead ends: 3621 [2021-11-20 06:56:56,206 INFO L226 Difference]: Without dead ends: 1845 [2021-11-20 06:56:56,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:56:56,224 INFO L933 BasicCegarLoop]: 2220 mSDtfsCounter, 2984 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 1022 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3158 SdHoareTripleChecker+Valid, 3000 SdHoareTripleChecker+Invalid, 1690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1022 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:56,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3158 Valid, 3000 Invalid, 1690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1022 Valid, 666 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2021-11-20 06:56:56,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2021-11-20 06:56:56,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1763. [2021-11-20 06:56:56,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1763 states, 1291 states have (on average 1.3764523625096825) internal successors, (1777), 1303 states have internal predecessors, (1777), 377 states have call successors, (377), 96 states have call predecessors, (377), 94 states have return successors, (371), 369 states have call predecessors, (371), 371 states have call successors, (371) [2021-11-20 06:56:56,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2525 transitions. [2021-11-20 06:56:56,466 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2525 transitions. Word has length 12 [2021-11-20 06:56:56,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:56,467 INFO L470 AbstractCegarLoop]: Abstraction has 1763 states and 2525 transitions. [2021-11-20 06:56:56,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:56:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2525 transitions. [2021-11-20 06:56:56,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 06:56:56,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:56,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:56,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:56:56,471 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:56,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:56,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1909028712, now seen corresponding path program 1 times [2021-11-20 06:56:56,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:56,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610035802] [2021-11-20 06:56:56,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:56,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:56:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:57,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:56:57,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:57,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610035802] [2021-11-20 06:56:57,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610035802] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:57,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:56:57,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:56:57,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488921241] [2021-11-20 06:56:57,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:57,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:56:57,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:57,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:56:57,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:56:57,322 INFO L87 Difference]: Start difference. First operand 1763 states and 2525 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:56:59,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:01,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:07,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:07,602 INFO L93 Difference]: Finished difference Result 1847 states and 2646 transitions. [2021-11-20 06:57:07,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:57:07,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-11-20 06:57:07,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:07,622 INFO L225 Difference]: With dead ends: 1847 [2021-11-20 06:57:07,622 INFO L226 Difference]: Without dead ends: 1844 [2021-11-20 06:57:07,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:57:07,628 INFO L933 BasicCegarLoop]: 2209 mSDtfsCounter, 2972 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 1012 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 2986 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1012 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:07,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3145 Valid, 2986 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1012 Valid, 662 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2021-11-20 06:57:07,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2021-11-20 06:57:07,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1762. [2021-11-20 06:57:07,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1291 states have (on average 1.3756777691711852) internal successors, (1776), 1302 states have internal predecessors, (1776), 376 states have call successors, (376), 96 states have call predecessors, (376), 94 states have return successors, (371), 369 states have call predecessors, (371), 371 states have call successors, (371) [2021-11-20 06:57:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2523 transitions. [2021-11-20 06:57:07,765 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2523 transitions. Word has length 13 [2021-11-20 06:57:07,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:07,768 INFO L470 AbstractCegarLoop]: Abstraction has 1762 states and 2523 transitions. [2021-11-20 06:57:07,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:57:07,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2523 transitions. [2021-11-20 06:57:07,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 06:57:07,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:07,770 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:07,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:57:07,771 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:57:07,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:07,783 INFO L85 PathProgramCache]: Analyzing trace with hash 947442937, now seen corresponding path program 1 times [2021-11-20 06:57:07,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:07,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384435911] [2021-11-20 06:57:07,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:07,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:57:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:08,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:08,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384435911] [2021-11-20 06:57:08,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384435911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:08,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:08,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:57:08,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190048676] [2021-11-20 06:57:08,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:08,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:57:08,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:08,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:57:08,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:57:08,440 INFO L87 Difference]: Start difference. First operand 1762 states and 2523 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:57:10,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:12,883 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:24,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:31,077 WARN L515 Checker$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 06:57:34,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:36,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:38,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:38,751 INFO L93 Difference]: Finished difference Result 5302 states and 7617 transitions. [2021-11-20 06:57:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:57:38,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-11-20 06:57:38,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:38,786 INFO L225 Difference]: With dead ends: 5302 [2021-11-20 06:57:38,786 INFO L226 Difference]: Without dead ends: 3546 [2021-11-20 06:57:38,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:57:38,799 INFO L933 BasicCegarLoop]: 2534 mSDtfsCounter, 3785 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 2513 mSolverCounterSat, 1363 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4136 SdHoareTripleChecker+Valid, 4341 SdHoareTripleChecker+Invalid, 3882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1363 IncrementalHoareTripleChecker+Valid, 2513 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:38,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4136 Valid, 4341 Invalid, 3882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1363 Valid, 2513 Invalid, 6 Unknown, 0 Unchecked, 29.8s Time] [2021-11-20 06:57:38,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2021-11-20 06:57:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 3541. [2021-11-20 06:57:38,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3541 states, 2599 states have (on average 1.3743747595228935) internal successors, (3572), 2620 states have internal predecessors, (3572), 753 states have call successors, (753), 189 states have call predecessors, (753), 188 states have return successors, (759), 743 states have call predecessors, (759), 745 states have call successors, (759) [2021-11-20 06:57:39,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 5084 transitions. [2021-11-20 06:57:39,002 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 5084 transitions. Word has length 14 [2021-11-20 06:57:39,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:39,002 INFO L470 AbstractCegarLoop]: Abstraction has 3541 states and 5084 transitions. [2021-11-20 06:57:39,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:57:39,004 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 5084 transitions. [2021-11-20 06:57:39,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-20 06:57:39,006 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:39,006 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:39,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:57:39,006 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:57:39,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:39,007 INFO L85 PathProgramCache]: Analyzing trace with hash -696244293, now seen corresponding path program 1 times [2021-11-20 06:57:39,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:39,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344502631] [2021-11-20 06:57:39,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:39,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:57:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:57:39,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:39,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344502631] [2021-11-20 06:57:39,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344502631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:39,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:39,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:57:39,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087238854] [2021-11-20 06:57:39,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:39,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:57:39,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:39,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:57:39,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:57:39,587 INFO L87 Difference]: Start difference. First operand 3541 states and 5084 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:57:41,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:43,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:49,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:49,706 INFO L93 Difference]: Finished difference Result 3580 states and 5138 transitions. [2021-11-20 06:57:49,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:57:49,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-20 06:57:49,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:49,741 INFO L225 Difference]: With dead ends: 3580 [2021-11-20 06:57:49,742 INFO L226 Difference]: Without dead ends: 3572 [2021-11-20 06:57:49,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:57:49,747 INFO L933 BasicCegarLoop]: 2226 mSDtfsCounter, 2953 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 1000 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3126 SdHoareTripleChecker+Valid, 3003 SdHoareTripleChecker+Invalid, 1659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1000 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:49,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3126 Valid, 3003 Invalid, 1659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1000 Valid, 657 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2021-11-20 06:57:49,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3572 states. [2021-11-20 06:57:49,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3572 to 3570. [2021-11-20 06:57:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3570 states, 2621 states have (on average 1.3731400228920259) internal successors, (3599), 2641 states have internal predecessors, (3599), 759 states have call successors, (759), 188 states have call predecessors, (759), 189 states have return successors, (768), 752 states have call predecessors, (768), 753 states have call successors, (768) [2021-11-20 06:57:49,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3570 states and 5126 transitions. [2021-11-20 06:57:49,953 INFO L78 Accepts]: Start accepts. Automaton has 3570 states and 5126 transitions. Word has length 15 [2021-11-20 06:57:49,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:49,953 INFO L470 AbstractCegarLoop]: Abstraction has 3570 states and 5126 transitions. [2021-11-20 06:57:49,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:57:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 5126 transitions. [2021-11-20 06:57:49,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-20 06:57:49,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:49,968 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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 06:57:49,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:57:49,969 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:57:49,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:49,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1329938334, now seen corresponding path program 1 times [2021-11-20 06:57:49,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:49,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136011055] [2021-11-20 06:57:49,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:49,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:57:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 06:57:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:57:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-20 06:57:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 06:57:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:57:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:57:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:57:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:57:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 06:57:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:57:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:57:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 06:57:51,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:51,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136011055] [2021-11-20 06:57:51,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136011055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:57:51,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:57:51,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:57:51,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324314850] [2021-11-20 06:57:51,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:51,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:57:51,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:51,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:57:51,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:57:51,028 INFO L87 Difference]: Start difference. First operand 3570 states and 5126 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 06:57:53,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:55,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:09,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:13,682 WARN L515 Checker$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 06:58:18,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:20,149 WARN L515 Checker$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 06:58:22,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:24,240 WARN L515 Checker$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 06:58:30,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:30,137 INFO L93 Difference]: Finished difference Result 7612 states and 11097 transitions. [2021-11-20 06:58:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:58:30,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2021-11-20 06:58:30,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:30,179 INFO L225 Difference]: With dead ends: 7612 [2021-11-20 06:58:30,179 INFO L226 Difference]: Without dead ends: 4048 [2021-11-20 06:58:30,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:58:30,203 INFO L933 BasicCegarLoop]: 2377 mSDtfsCounter, 1676 mSDsluCounter, 3729 mSDsCounter, 0 mSdLazyCounter, 3375 mSolverCounterSat, 1106 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1862 SdHoareTripleChecker+Valid, 6106 SdHoareTripleChecker+Invalid, 4489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1106 IncrementalHoareTripleChecker+Valid, 3375 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:30,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1862 Valid, 6106 Invalid, 4489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1106 Valid, 3375 Invalid, 8 Unknown, 0 Unchecked, 38.5s Time] [2021-11-20 06:58:30,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4048 states. [2021-11-20 06:58:30,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4048 to 3572. [2021-11-20 06:58:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 2623 states have (on average 1.372855508959207) internal successors, (3601), 2643 states have internal predecessors, (3601), 759 states have call successors, (759), 188 states have call predecessors, (759), 189 states have return successors, (768), 752 states have call predecessors, (768), 753 states have call successors, (768) [2021-11-20 06:58:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 5128 transitions. [2021-11-20 06:58:30,434 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 5128 transitions. Word has length 111 [2021-11-20 06:58:30,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:30,436 INFO L470 AbstractCegarLoop]: Abstraction has 3572 states and 5128 transitions. [2021-11-20 06:58:30,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 06:58:30,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 5128 transitions. [2021-11-20 06:58:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-20 06:58:30,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:30,448 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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 06:58:30,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:58:30,449 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:58:30,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:30,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1357003936, now seen corresponding path program 1 times [2021-11-20 06:58:30,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:58:30,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433699798] [2021-11-20 06:58:30,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:30,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:58:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:58:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 06:58:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:58:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-20 06:58:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 06:58:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:58:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:58:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 06:58:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:58:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 06:58:31,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:58:31,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433699798] [2021-11-20 06:58:31,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433699798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:31,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:31,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:58:31,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169336748] [2021-11-20 06:58:31,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:31,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:58:31,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:58:31,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:58:31,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:58:31,439 INFO L87 Difference]: Start difference. First operand 3572 states and 5128 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 06:58:33,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:35,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:38,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:40,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []